Base | Representation |
---|---|
bin | 10010110100110… |
… | …11110111000001 |
3 | 102000011102002201 |
4 | 21122123313001 |
5 | 310412043201 |
6 | 23400513201 |
7 | 3625224106 |
oct | 1132336701 |
9 | 360142081 |
10 | 157924801 |
11 | 81165271 |
12 | 44a7b801 |
13 | 26945038 |
14 | 16d8caad |
15 | dce7801 |
hex | 969bdc1 |
157924801 has 4 divisors (see below), whose sum is σ = 157950000. Its totient is φ = 157899604.
The previous prime is 157924799. The next prime is 157924813. The reversal of 157924801 is 108429751.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 157924801 - 21 = 157924799 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (157924861) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4950 + ... + 18448.
It is an arithmetic number, because the mean of its divisors is an integer number (39487500).
Almost surely, 2157924801 is an apocalyptic number.
It is an amenable number.
157924801 is a deficient number, since it is larger than the sum of its proper divisors (25199).
157924801 is a wasteful number, since it uses less digits than its factorization.
157924801 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25198.
The product of its (nonzero) digits is 20160, while the sum is 37.
The square root of 157924801 is about 12566.8134783644. The cubic root of 157924801 is about 540.5262371227.
The spelling of 157924801 in words is "one hundred fifty-seven million, nine hundred twenty-four thousand, eight hundred one".
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