Base | Representation |
---|---|
bin | 10010101111000… |
… | …00111010000100 |
3 | 101221201111200100 |
4 | 21113200322010 |
5 | 310213042134 |
6 | 23332244100 |
7 | 3615554430 |
oct | 1127407204 |
9 | 357644610 |
10 | 157159044 |
11 | 80791a09 |
12 | 44770630 |
13 | 26737623 |
14 | 16c2d9c0 |
15 | dbe5999 |
hex | 95e0e84 |
157159044 has 72 divisors (see below), whose sum is σ = 458115840. Its totient is φ = 44497152.
The previous prime is 157159039. The next prime is 157159061. The reversal of 157159044 is 440951751.
It is a super-2 number, since 2×1571590442 = 49397930221987872, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25717 + ... + 31235.
It is an arithmetic number, because the mean of its divisors is an integer number (6362720).
Almost surely, 2157159044 is an apocalyptic number.
157159044 is a gapful number since it is divisible by the number (14) 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 157159044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229057920).
157159044 is an abundant number, since it is smaller than the sum of its proper divisors (300956796).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157159044 is a wasteful number, since it uses less digits than its factorization.
157159044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5649 (or 5644 counting only the distinct ones).
The product of its (nonzero) digits is 25200, while the sum is 36.
The square root of 157159044 is about 12536.3090261847. The cubic root of 157159044 is about 539.6511738928.
It can be divided in two parts, 157 and 159044, that added together give a square (159201 = 3992).
The spelling of 157159044 in words is "one hundred fifty-seven million, one hundred fifty-nine thousand, forty-four".
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