Base | Representation |
---|---|
bin | 10010100111010… |
… | …01101101101100 |
3 | 101212211001210012 |
4 | 21103221231230 |
5 | 304433142130 |
6 | 23254432352 |
7 | 3604136504 |
oct | 1123515554 |
9 | 355731705 |
10 | 156146540 |
11 | 80160230 |
12 | 443626b8 |
13 | 26471804 |
14 | 16a48a04 |
15 | da95995 |
hex | 94e9b6c |
156146540 has 48 divisors (see below), whose sum is σ = 373282560. Its totient is φ = 54310080.
The previous prime is 156146539. The next prime is 156146561. The reversal of 156146540 is 45641651.
It is a junction number, because it is equal to n+sod(n) for n = 156146497 and 156146506.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10370 + ... + 20489.
It is an arithmetic number, because the mean of its divisors is an integer number (7776720).
Almost surely, 2156146540 is an apocalyptic number.
156146540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
156146540 is an abundant number, since it is smaller than the sum of its proper divisors (217136020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
156146540 is a wasteful number, since it uses less digits than its factorization.
156146540 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30902 (or 30900 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 32.
The square root of 156146540 is about 12495.8609147189. The cubic root of 156146540 is about 538.4897674264.
The spelling of 156146540 in words is "one hundred fifty-six million, one hundred forty-six thousand, five hundred forty".
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