Base | Representation |
---|---|
bin | 10010101110001… |
… | …01100100001111 |
3 | 101221111211001121 |
4 | 21113011210033 |
5 | 310201001210 |
6 | 23330021411 |
7 | 3614610064 |
oct | 1127054417 |
9 | 357454047 |
10 | 157047055 |
11 | 80715860 |
12 | 44717867 |
13 | 266c8669 |
14 | 16c00c6b |
15 | dbc26da |
hex | 95c590f |
157047055 has 32 divisors (see below), whose sum is σ = 212696640. Its totient is φ = 110315520.
The previous prime is 157047053. The next prime is 157047113. The reversal of 157047055 is 550740751.
It is a happy number.
157047055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 157047055 - 21 = 157047053 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 157047055.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (157047053) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 465847 + ... + 466183.
It is an arithmetic number, because the mean of its divisors is an integer number (6646770).
Almost surely, 2157047055 is an apocalyptic number.
157047055 is a deficient number, since it is larger than the sum of its proper divisors (55649585).
157047055 is a wasteful number, since it uses less digits than its factorization.
157047055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 619.
The product of its (nonzero) digits is 24500, while the sum is 34.
The square root of 157047055 is about 12531.8416443873. The cubic root of 157047055 is about 539.5229611930.
The spelling of 157047055 in words is "one hundred fifty-seven million, forty-seven thousand, fifty-five".
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