Base | Representation |
---|---|
bin | 10010101110011… |
… | …01111100011110 |
3 | 101221120120010200 |
4 | 21113031330132 |
5 | 310203100444 |
6 | 23330444330 |
7 | 3615112122 |
oct | 1127157436 |
9 | 357516120 |
10 | 157081374 |
11 | 8073961a |
12 | 447336a6 |
13 | 2670b178 |
14 | 16c0d582 |
15 | dbcc969 |
hex | 95cdf1e |
157081374 has 24 divisors (see below), whose sum is σ = 342602832. Its totient is φ = 52012800.
The previous prime is 157081357. The next prime is 157081399. The reversal of 157081374 is 473180751.
157081374 is a `hidden beast` number, since 1 + 570 + 8 + 13 + 74 = 666.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26179 + ... + 31614.
It is an arithmetic number, because the mean of its divisors is an integer number (14275118).
Almost surely, 2157081374 is an apocalyptic number.
157081374 is an abundant number, since it is smaller than the sum of its proper divisors (185521458).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157081374 is a wasteful number, since it uses less digits than its factorization.
157081374 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57952 (or 57949 counting only the distinct ones).
The product of its (nonzero) digits is 23520, while the sum is 36.
The square root of 157081374 is about 12533.2108416000. The cubic root of 157081374 is about 539.5622584170.
It can be divided in two parts, 1570 and 81374, that added together give a square (82944 = 2882).
The spelling of 157081374 in words is "one hundred fifty-seven million, eighty-one thousand, three hundred seventy-four".
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