Base | Representation |
---|---|
bin | 1010101110110… |
… | …10010001111110 |
3 | 20021101122101121 |
4 | 11113122101332 |
5 | 141021214123 |
6 | 12533301154 |
7 | 2142116560 |
oct | 527322176 |
9 | 207348347 |
10 | 90023038 |
11 | 468a7706 |
12 | 261947ba |
13 | 1585c591 |
14 | bd55330 |
15 | 7d8375d |
hex | 55da47e |
90023038 has 16 divisors (see below), whose sum is σ = 155191680. Its totient is φ = 38364696.
The previous prime is 90022997. The next prime is 90023053. The reversal of 90023038 is 83032009.
It is a happy number.
It is a congruent number.
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, 15456 + ... + 20467.
It is an arithmetic number, because the mean of its divisors is an integer number (9699480).
Almost surely, 290023038 is an apocalyptic number.
90023038 is a deficient number, since it is larger than the sum of its proper divisors (65168642).
90023038 is a wasteful number, since it uses less digits than its factorization.
90023038 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36111.
The product of its (nonzero) digits is 1296, while the sum is 25.
The square root of 90023038 is about 9488.0471120247. The cubic root of 90023038 is about 448.1787093944.
The spelling of 90023038 in words is "ninety million, twenty-three thousand, thirty-eight".
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