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1150055430 = 235236132719
BaseRepresentation
bin100010010001100…
…0111010000000110
32222011000212110120
41010203013100012
54323403233210
6310041402410
740333211166
oct10443072006
92864025416
101150055430
115401a3737
12281199406
13154358394
14aca4c5a6
156ae72270
hex448c7406

1150055430 has 64 divisors (see below), whose sum is σ = 2885898240. Its totient is φ = 292761216.

The previous prime is 1150055399. The next prime is 1150055443. The reversal of 1150055430 is 345500511.

It is a self number, because there is not a number n which added to its sum of digits gives 1150055430.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 421611 + ... + 424329.

It is an arithmetic number, because the mean of its divisors is an integer number (45092160).

Almost surely, 21150055430 is an apocalyptic number.

1150055430 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 1150055430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1442949120).

1150055430 is an abundant number, since it is smaller than the sum of its proper divisors (1735842810).

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

1150055430 is a wasteful number, since it uses less digits than its factorization.

1150055430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3365.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 1150055430 is about 33912.4671765414. The cubic root of 1150055430 is about 1047.7063857800.

Adding to 1150055430 its reverse (345500511), we get a palindrome (1495555941).

The spelling of 1150055430 in words is "one billion, one hundred fifty million, fifty-five thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 230 345 613 690 1226 1839 2719 3065 3678 5438 6130 8157 9195 13595 14099 16314 18390 27190 28198 40785 42297 62537 70495 81570 84594 125074 140990 187611 211485 312685 375222 422970 625370 938055 1666747 1876110 3333494 5000241 8333735 10000482 16667470 25001205 38335181 50002410 76670362 115005543 191675905 230011086 383351810 575027715 1150055430