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1150240 = 25571379
BaseRepresentation
bin100011000110100100000
32011102211111
410120310200
5243301430
640353104
712530320
oct4306440
92142744
101150240
11716213
12475794
13313720
1421d280
1517ac2a
hex118d20

1150240 has 96 divisors (see below), whose sum is σ = 3386880. Its totient is φ = 359424.

The previous prime is 1150229. The next prime is 1150243. The reversal of 1150240 is 420511.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 1150240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14521 + ... + 14599.

It is an arithmetic number, because the mean of its divisors is an integer number (35280).

21150240 is an apocalyptic number.

1150240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1150240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1693440).

1150240 is an abundant number, since it is smaller than the sum of its proper divisors (2236640).

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

1150240 is a wasteful number, since it uses less digits than its factorization.

1150240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 1150240 is about 1072.4924242157. The cubic root of 1150240 is about 104.7762430854.

Adding to 1150240 its reverse (420511), we get a palindrome (1570751).

The spelling of 1150240 in words is "one million, one hundred fifty thousand, two hundred forty".

Divisors: 1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 52 56 65 70 79 80 91 104 112 130 140 158 160 182 208 224 260 280 316 364 395 416 455 520 553 560 632 728 790 910 1027 1040 1106 1120 1264 1456 1580 1820 2054 2080 2212 2528 2765 2912 3160 3640 4108 4424 5135 5530 6320 7189 7280 8216 8848 10270 11060 12640 14378 14560 16432 17696 20540 22120 28756 32864 35945 41080 44240 57512 71890 82160 88480 115024 143780 164320 230048 287560 575120 1150240