Base | Representation |
---|---|
bin | 10010101111011… |
… | …10011111100000 |
3 | 101221211100000020 |
4 | 21113232133200 |
5 | 310221332223 |
6 | 23333353440 |
7 | 3616205601 |
oct | 1127563740 |
9 | 357740006 |
10 | 157214688 |
11 | 8081a7a4 |
12 | 44798880 |
13 | 26756a57 |
14 | 16c45da8 |
15 | dc071e3 |
hex | 95ee7e0 |
157214688 has 48 divisors (see below), whose sum is σ = 414279936. Its totient is φ = 52202880.
The previous prime is 157214677. The next prime is 157214689. The reversal of 157214688 is 886412751.
It is a tau number, because it is divible by the number of its divisors (48).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (157214689) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22995 + ... + 29037.
It is an arithmetic number, because the mean of its divisors is an integer number (8630832).
Almost surely, 2157214688 is an apocalyptic number.
It is an amenable number.
157214688 is an abundant number, since it is smaller than the sum of its proper divisors (257065248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157214688 is a wasteful number, since it uses less digits than its factorization.
157214688 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6327 (or 6319 counting only the distinct ones).
The product of its digits is 107520, while the sum is 42.
The square root of 157214688 is about 12538.5281432870. The cubic root of 157214688 is about 539.7148563168.
The spelling of 157214688 in words is "one hundred fifty-seven million, two hundred fourteen thousand, six hundred eighty-eight".
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