Base | Representation |
---|---|
bin | 10010101011111… |
… | …01110011110010 |
3 | 101220221212212210 |
4 | 21111331303302 |
5 | 310112100023 |
6 | 23315432550 |
7 | 3612244143 |
oct | 1125756362 |
9 | 356855783 |
10 | 156753138 |
11 | 80534a53 |
12 | 445b5756 |
13 | 26624949 |
14 | 16b65aca |
15 | db65593 |
hex | 957dcf2 |
156753138 has 16 divisors (see below), whose sum is σ = 313711200. Its totient is φ = 52216896.
The previous prime is 156753137. The next prime is 156753139. The reversal of 156753138 is 831357651.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (156753137) and next prime (156753139).
It is a junction number, because it is equal to n+sod(n) for n = 156753096 and 156753105.
It is not an unprimeable number, because it can be changed into a prime (156753137) 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 7 ways as a sum of consecutive naturals, for example, 2506 + ... + 17882.
It is an arithmetic number, because the mean of its divisors is an integer number (19606950).
Almost surely, 2156753138 is an apocalyptic number.
156753138 is an abundant number, since it is smaller than the sum of its proper divisors (156958062).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
156753138 is a wasteful number, since it uses less digits than its factorization.
156753138 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17081.
The product of its digits is 75600, while the sum is 39.
The square root of 156753138 is about 12520.1093445704. The cubic root of 156753138 is about 539.1861746617.
The spelling of 156753138 in words is "one hundred fifty-six million, seven hundred fifty-three thousand, one hundred thirty-eight".
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