Base | Representation |
---|---|
bin | 10010101100110… |
… | …10010111010001 |
3 | 101221011211022121 |
4 | 21112122113101 |
5 | 310124320342 |
6 | 23322134241 |
7 | 3613242136 |
oct | 1126322721 |
9 | 357154277 |
10 | 156870097 |
11 | 8060490a |
12 | 44651381 |
13 | 26665c57 |
14 | 16b9658d |
15 | db8a067 |
hex | 959a5d1 |
156870097 has 8 divisors (see below), whose sum is σ = 163839744. Its totient is φ = 149912928.
The previous prime is 156870079. The next prime is 156870127. The reversal of 156870097 is 790078651.
156870097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-156870097 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (156870017) 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, 30333 + ... + 35125.
It is an arithmetic number, because the mean of its divisors is an integer number (20479968).
Almost surely, 2156870097 is an apocalyptic number.
It is an amenable number.
156870097 is a deficient number, since it is larger than the sum of its proper divisors (6969647).
156870097 is a wasteful number, since it uses less digits than its factorization.
156870097 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6239.
The product of its (nonzero) digits is 105840, while the sum is 43.
The square root of 156870097 is about 12524.7793194132. The cubic root of 156870097 is about 539.3202432120.
The spelling of 156870097 in words is "one hundred fifty-six million, eight hundred seventy thousand, ninety-seven".
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