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1150237530 = 233513437621
BaseRepresentation
bin100010010001111…
…0011101101011010
32222011101010021000
41010203303231122
54323430100110
6310045325430
740334600121
oct10443635532
92864333230
101150237530
11540308532
12281266876
131543c0230
14aca98ab8
156aeab1c0
hex448f3b5a

1150237530 has 128 divisors (see below), whose sum is σ = 3380509440. Its totient is φ = 276514560.

The previous prime is 1150237511. The next prime is 1150237531. The reversal of 1150237530 is 357320511.

1150237530 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1150237494 and 1150237503.

It is not an unprimeable number, because it can be changed into a prime (1150237531) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 147120 + ... + 154740.

It is an arithmetic number, because the mean of its divisors is an integer number (26410230).

Almost surely, 21150237530 is an apocalyptic number.

1150237530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1150237530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1690254720).

1150237530 is an abundant number, since it is smaller than the sum of its proper divisors (2230271910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1150237530 is a wasteful number, since it uses less digits than its factorization.

1150237530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7693 (or 7687 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 1150237530 is about 33915.1519235872. The cubic root of 1150237530 is about 1047.7616808725.

The spelling of 1150237530 in words is "one billion, one hundred fifty million, two hundred thirty-seven thousand, five hundred thirty".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 27 30 39 43 45 54 65 78 86 90 117 129 130 135 195 215 234 258 270 351 387 390 430 559 585 645 702 774 1118 1161 1170 1290 1677 1755 1935 2322 2795 3354 3510 3870 5031 5590 5805 7621 8385 10062 11610 15093 15242 16770 22863 25155 30186 38105 45726 50310 68589 75465 76210 99073 114315 137178 150930 198146 205767 228630 297219 327703 342945 411534 495365 594438 655406 685890 891657 983109 990730 1028835 1486095 1638515 1783314 1966218 2057670 2674971 2949327 2972190 3277030 4260139 4458285 4915545 5349942 5898654 8520278 8847981 8916570 9831090 12780417 13374855 14746635 17695962 21300695 25560834 26749710 29493270 38341251 42601390 44239905 63902085 76682502 88479810 115023753 127804170 191706255 230047506 383412510 575118765 1150237530