Base | Representation |
---|---|
bin | 10010110000111… |
… | …01110011011000 |
3 | 101222012011211102 |
4 | 21120131303120 |
5 | 310244032342 |
6 | 23341450532 |
7 | 3620643554 |
oct | 1130356330 |
9 | 358164742 |
10 | 157408472 |
11 | 80942351 |
12 | 44870a48 |
13 | 267c4010 |
14 | 16c96864 |
15 | dc44832 |
hex | 961dcd8 |
157408472 has 16 divisors (see below), whose sum is σ = 317844240. Its totient is φ = 72650016.
The previous prime is 157408469. The next prime is 157408523. The reversal of 157408472 is 274804751.
157408472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 756668 + ... + 756875.
It is an arithmetic number, because the mean of its divisors is an integer number (19865265).
Almost surely, 2157408472 is an apocalyptic number.
It is an amenable number.
157408472 is an abundant number, since it is smaller than the sum of its proper divisors (160435768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157408472 is a wasteful number, since it uses less digits than its factorization.
157408472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1513562 (or 1513558 counting only the distinct ones).
The product of its (nonzero) digits is 62720, while the sum is 38.
The square root of 157408472 is about 12546.2533052701. The cubic root of 157408472 is about 539.9365174572.
The spelling of 157408472 in words is "one hundred fifty-seven million, four hundred eight thousand, four hundred seventy-two".
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