Base | Representation |
---|---|
bin | 1000010000011… |
… | …01101010101000 |
3 | 11211022212120222 |
4 | 10020031222220 |
5 | 120212340432 |
6 | 10512305212 |
7 | 1500501002 |
oct | 410155250 |
9 | 154285528 |
10 | 69261992 |
11 | 36107618 |
12 | 1b242208 |
13 | 11470937 |
14 | 92ad372 |
15 | 6132112 |
hex | 420daa8 |
69261992 has 32 divisors (see below), whose sum is σ = 139893600. Its totient is φ = 32042304.
The previous prime is 69261971. The next prime is 69262007. The reversal of 69261992 is 29916296.
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, 1238 + ... + 11834.
It is an arithmetic number, because the mean of its divisors is an integer number (4371675).
Almost surely, 269261992 is an apocalyptic number.
It is an amenable number.
69261992 is an abundant number, since it is smaller than the sum of its proper divisors (70631608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69261992 is a wasteful number, since it uses less digits than its factorization.
69261992 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10665 (or 10661 counting only the distinct ones).
The product of its digits is 104976, while the sum is 44.
The square root of 69261992 is about 8322.3789868042. The cubic root of 69261992 is about 410.6750568693.
The spelling of 69261992 in words is "sixty-nine million, two hundred sixty-one thousand, nine hundred ninety-two".
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