Base | Representation |
---|---|
bin | 10010101100010… |
… | …10111111010000 |
3 | 101221001121221010 |
4 | 21112022333100 |
5 | 310120311440 |
6 | 23320530520 |
7 | 3612560421 |
oct | 1126127720 |
9 | 357047833 |
10 | 156807120 |
11 | 80571568 |
12 | 44620a40 |
13 | 266433a2 |
14 | 16b7b648 |
15 | db76580 |
hex | 958afd0 |
156807120 has 40 divisors (see below), whose sum is σ = 486102816. Its totient is φ = 41815168.
The previous prime is 156807103. The next prime is 156807137. The reversal of 156807120 is 21708651.
156807120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (156807103) and next prime (156807137).
It is a tau number, because it is divible by the number of its divisors (40).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326442 + ... + 326921.
Almost surely, 2156807120 is an apocalyptic number.
156807120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
156807120 is an abundant number, since it is smaller than the sum of its proper divisors (329295696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
156807120 is a wasteful number, since it uses less digits than its factorization.
156807120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 653379 (or 653373 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 30.
The square root of 156807120 is about 12522.2649708429. The cubic root of 156807120 is about 539.2480617961.
The spelling of 156807120 in words is "one hundred fifty-six million, eight hundred seven thousand, one hundred twenty".
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