Base | Representation |
---|---|
bin | 1010101111001… |
… | …01001110100010 |
3 | 20021110220220012 |
4 | 11113211032202 |
5 | 141024132444 |
6 | 12534244522 |
7 | 2142364361 |
oct | 527451642 |
9 | 207426805 |
10 | 90067874 |
11 | 46928366 |
12 | 261b6742 |
13 | 15876b00 |
14 | bd677d8 |
15 | 7d91b9e |
hex | 55e53a2 |
90067874 has 24 divisors (see below), whose sum is σ = 146868480. Its totient is φ = 41406768.
The previous prime is 90067849. The next prime is 90067877. The reversal of 90067874 is 47876009.
It is a super-2 number, since 2×900678742 = 16224443853759752, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90067877) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148079 + ... + 148685.
It is an arithmetic number, because the mean of its divisors is an integer number (6119520).
Almost surely, 290067874 is an apocalyptic number.
90067874 is a deficient number, since it is larger than the sum of its proper divisors (56800606).
90067874 is a wasteful number, since it uses less digits than its factorization.
90067874 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1074 (or 1061 counting only the distinct ones).
The product of its (nonzero) digits is 84672, while the sum is 41.
The square root of 90067874 is about 9490.4095802025. The cubic root of 90067874 is about 448.2531022238.
The spelling of 90067874 in words is "ninety million, sixty-seven thousand, eight hundred seventy-four".
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