Base | Representation |
---|---|
bin | 11101001001111101011000 |
3 | 112101022011220 |
4 | 131021331120 |
5 | 3424033333 |
6 | 431452040 |
7 | 121651464 |
oct | 35117530 |
9 | 15338156 |
10 | 7642968 |
11 | 4350303 |
12 | 2687020 |
13 | 1777a88 |
14 | 102d4a4 |
15 | a0e8b3 |
hex | 749f58 |
7642968 has 16 divisors (see below), whose sum is σ = 19107480. Its totient is φ = 2547648.
The previous prime is 7642963. The next prime is 7643017. The reversal of 7642968 is 8692467.
It is a d-powerful number, because it can be written as 7 + 63 + 410 + 217 + 97 + 68 + 83 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7642963) by changing a digit.
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, 159205 + ... + 159252.
Almost surely, 27642968 is an apocalyptic number.
It is an amenable number.
7642968 is an abundant number, since it is smaller than the sum of its proper divisors (11464512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7642968 is a wasteful number, since it uses less digits than its factorization.
7642968 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 318466 (or 318462 counting only the distinct ones).
The product of its digits is 145152, while the sum is 42.
The square root of 7642968 is about 2764.5918324411. The cubic root of 7642968 is about 196.9793411131.
The spelling of 7642968 in words is "seven million, six hundred forty-two thousand, nine hundred sixty-eight".
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