Base | Representation |
---|---|
bin | 11100001001001… |
… | …000100101111000 |
3 | 1012220110001000010 |
4 | 130021020211320 |
5 | 1431333002121 |
6 | 114503541520 |
7 | 14462156445 |
oct | 3411104570 |
9 | 1186401003 |
10 | 472156536 |
11 | 22257a215 |
12 | 11215a8a0 |
13 | 76a86887 |
14 | 469c89cc |
15 | 2b6b8376 |
hex | 1c248978 |
472156536 has 128 divisors (see below), whose sum is σ = 1297612800. Its totient is φ = 142611840.
The previous prime is 472156493. The next prime is 472156537. The reversal of 472156536 is 635651274.
It is a junction number, because it is equal to n+sod(n) for n = 472156494 and 472156503.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (472156537) 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, 1795141 + ... + 1795403.
It is an arithmetic number, because the mean of its divisors is an integer number (10137600).
Almost surely, 2472156536 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 472156536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (648806400).
472156536 is an abundant number, since it is smaller than the sum of its proper divisors (825456264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
472156536 is a wasteful number, since it uses less digits than its factorization.
472156536 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 449 (or 445 counting only the distinct ones).
The product of its digits is 151200, while the sum is 39.
The square root of 472156536 is about 21729.1632604663. The cubic root of 472156536 is about 778.6853462724.
The spelling of 472156536 in words is "four hundred seventy-two million, one hundred fifty-six thousand, five hundred thirty-six".
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