Base | Representation |
---|---|
bin | 1010101111011… |
… | …01000101011110 |
3 | 20021112120001100 |
4 | 11113231011132 |
5 | 141031200222 |
6 | 12535053530 |
7 | 2142560253 |
oct | 527550536 |
9 | 207476040 |
10 | 90100062 |
11 | 4694a568 |
12 | 262112a6 |
13 | 15888660 |
14 | bd7542a |
15 | 7d9b4ac |
hex | 55ed15e |
90100062 has 48 divisors (see below), whose sum is σ = 219387168. Its totient is φ = 26516160.
The previous prime is 90100057. The next prime is 90100063. The reversal of 90100062 is 26000109.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90100063) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2989 + ... + 13752.
It is an arithmetic number, because the mean of its divisors is an integer number (4570566).
Almost surely, 290100062 is an apocalyptic number.
90100062 is an abundant number, since it is smaller than the sum of its proper divisors (129287106).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90100062 is a wasteful number, since it uses less digits than its factorization.
90100062 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16785 (or 16782 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
The square root of 90100062 is about 9492.1052459399. The cubic root of 90100062 is about 448.3064940040.
The spelling of 90100062 in words is "ninety million, one hundred thousand, sixty-two".
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