Base | Representation |
---|---|
bin | 10010101110000… |
… | …01001000011101 |
3 | 101221110220010221 |
4 | 21113001020131 |
5 | 310144411033 |
6 | 23325401341 |
7 | 3614503120 |
oct | 1127011035 |
9 | 357426127 |
10 | 157028893 |
11 | 8070314a |
12 | 44709251 |
13 | 266c0308 |
14 | 16bd83b7 |
15 | dbbc12d |
hex | 95c121d |
157028893 has 8 divisors (see below), whose sum is σ = 183839040. Its totient is φ = 131313120.
The previous prime is 157028887. The next prime is 157028899. The reversal of 157028893 is 398820751.
It is an interprime number because it is at equal distance from previous prime (157028887) and next prime (157028899).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 157028893 - 217 = 156897821 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (157028899) 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, 273283 + ... + 273856.
It is an arithmetic number, because the mean of its divisors is an integer number (22979880).
Almost surely, 2157028893 is an apocalyptic number.
It is an amenable number.
157028893 is a deficient number, since it is larger than the sum of its proper divisors (26810147).
157028893 is an equidigital number, since it uses as much as digits as its factorization.
157028893 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 547187.
The product of its (nonzero) digits is 120960, while the sum is 43.
The square root of 157028893 is about 12531.1169893190. The cubic root of 157028893 is about 539.5021623443.
The spelling of 157028893 in words is "one hundred fifty-seven million, twenty-eight thousand, eight hundred ninety-three".
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