Base | Representation |
---|---|
bin | 10010101101111… |
… | …10111011100001 |
3 | 101221110102202212 |
4 | 21112332323201 |
5 | 310144113443 |
6 | 23325251505 |
7 | 3614434613 |
oct | 1126767341 |
9 | 357412685 |
10 | 157019873 |
11 | 806a739a |
12 | 44703b95 |
13 | 266b918a |
14 | 16bd4db3 |
15 | dbb9618 |
hex | 95beee1 |
157019873 has 16 divisors (see below), whose sum is σ = 168739200. Its totient is φ = 145749120.
The previous prime is 157019851. The next prime is 157019887. The reversal of 157019873 is 378910751.
It is a cyclic number.
It is not a de Polignac number, because 157019873 - 212 = 157015777 is a prime.
It is a super-2 number, since 2×1570198732 = 49310481033872258, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (41).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 157019873.
It is not an unprimeable number, because it can be changed into a prime (157019813) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253358 + ... + 253976.
It is an arithmetic number, because the mean of its divisors is an integer number (10546200).
Almost surely, 2157019873 is an apocalyptic number.
It is an amenable number.
157019873 is a deficient number, since it is larger than the sum of its proper divisors (11719327).
157019873 is a wasteful number, since it uses less digits than its factorization.
157019873 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 952.
The product of its (nonzero) digits is 52920, while the sum is 41.
The square root of 157019873 is about 12530.7570800810. The cubic root of 157019873 is about 539.4918321803.
The spelling of 157019873 in words is "one hundred fifty-seven million, nineteen thousand, eight hundred seventy-three".
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