Base | Representation |
---|---|
bin | 10011000010011111111100 |
3 | 100101120022211 |
4 | 103002133330 |
5 | 2234202342 |
6 | 254550204 |
7 | 60264640 |
oct | 23023774 |
9 | 10346284 |
10 | 4990972 |
11 | 28a9878 |
12 | 1808364 |
13 | 105994c |
14 | 93cc20 |
15 | 688c17 |
hex | 4c27fc |
4990972 has 12 divisors (see below), whose sum is σ = 9982000. Its totient is φ = 2138976.
The previous prime is 4990961. The next prime is 4990981. The reversal of 4990972 is 2790994.
4990972 is an admirable number.
It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89097 + ... + 89152.
Almost surely, 24990972 is an apocalyptic number.
It is an amenable number.
4990972 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4990972 is a wasteful number, since it uses less digits than its factorization.
4990972 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 178260 (or 178258 counting only the distinct ones).
The product of its (nonzero) digits is 40824, while the sum is 40.
The square root of 4990972 is about 2234.0483432549. The cubic root of 4990972 is about 170.8946149104.
The spelling of 4990972 in words is "four million, nine hundred ninety thousand, nine hundred seventy-two".
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