Base | Representation |
---|---|
bin | 1010101111001… |
… | …01000111000000 |
3 | 20021110220020100 |
4 | 11113211013000 |
5 | 141024124032 |
6 | 12534242400 |
7 | 2142363102 |
oct | 527450700 |
9 | 207426210 |
10 | 90067392 |
11 | 46927a68 |
12 | 261b6400 |
13 | 1587681c |
14 | bd67572 |
15 | 7d9197c |
hex | 55e51c0 |
90067392 has 84 divisors (see below), whose sum is σ = 259563616. Its totient is φ = 29859840.
The previous prime is 90067349. The next prime is 90067421. The reversal of 90067392 is 29376009.
It is a super-2 number, since 2×900673922 = 16224270203363328, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 155808 + ... + 156384.
Almost surely, 290067392 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 90067392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129781808).
90067392 is an abundant number, since it is smaller than the sum of its proper divisors (169496224).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90067392 is a wasteful number, since it uses less digits than its factorization.
90067392 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 866 (or 853 counting only the distinct ones).
The product of its (nonzero) digits is 20412, while the sum is 36.
The square root of 90067392 is about 9490.3841861118. The cubic root of 90067392 is about 448.2523026106.
The spelling of 90067392 in words is "ninety million, sixty-seven thousand, three hundred ninety-two".
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