Base | Representation |
---|---|
bin | 10010110100110… |
… | …00010111001000 |
3 | 102000010200110000 |
4 | 21122120113020 |
5 | 310411113342 |
6 | 23400323000 |
7 | 3625134246 |
oct | 1132302710 |
9 | 360120400 |
10 | 157910472 |
11 | 81155525 |
12 | 44a73460 |
13 | 2693b665 |
14 | 16d87796 |
15 | dce344c |
hex | 96985c8 |
157910472 has 80 divisors (see below), whose sum is σ = 444900060. Its totient is φ = 52327296.
The previous prime is 157910437. The next prime is 157910483. The reversal of 157910472 is 274019751.
It is a happy number.
157910472 is a `hidden beast` number, since 1 + 579 + 10 + 4 + 72 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 127373796 + 30536676 = 11286^2 + 5526^2 .
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 19 ways as a sum of consecutive naturals, for example, 127038 + ... + 128274.
Almost surely, 2157910472 is an apocalyptic number.
157910472 is a gapful number since it is divisible by the number (12) 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 157910472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222450030).
157910472 is an abundant number, since it is smaller than the sum of its proper divisors (286989588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157910472 is a wasteful number, since it uses less digits than its factorization.
157910472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1452 (or 1439 counting only the distinct ones).
The product of its (nonzero) digits is 17640, while the sum is 36.
The square root of 157910472 is about 12566.2433527288. The cubic root of 157910472 is about 540.5098887623.
The spelling of 157910472 in words is "one hundred fifty-seven million, nine hundred ten thousand, four hundred seventy-two".
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