Base | Representation |
---|---|
bin | 110000100110100… |
… | …010101111101100 |
3 | 2002211100010110011 |
4 | 300212202233230 |
5 | 3132221111111 |
6 | 212525023004 |
7 | 26130605041 |
oct | 6046425754 |
9 | 2084303404 |
10 | 815410156 |
11 | 3893067a0 |
12 | 1a90b4a64 |
13 | ccc1a122 |
14 | 7a41b1c8 |
15 | 4b8bd021 |
hex | 309a2bec |
815410156 has 48 divisors (see below), whose sum is σ = 1648080000. Its totient is φ = 349107840.
The previous prime is 815410129. The next prime is 815410157. The reversal of 815410156 is 651014518.
815410156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (815410157) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146920 + ... + 152368.
It is an arithmetic number, because the mean of its divisors is an integer number (34335000).
Almost surely, 2815410156 is an apocalyptic number.
It is an amenable number.
815410156 is an abundant number, since it is smaller than the sum of its proper divisors (832669844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
815410156 is a wasteful number, since it uses less digits than its factorization.
815410156 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5662 (or 5660 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 31.
The square root of 815410156 is about 28555.3875126919. The cubic root of 815410156 is about 934.2405324867.
The spelling of 815410156 in words is "eight hundred fifteen million, four hundred ten thousand, one hundred fifty-six".
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