Base | Representation |
---|---|
bin | 1111011111011… |
… | …0110100001000 |
3 | 11112021000200201 |
4 | 3313312310020 |
5 | 113113132323 |
6 | 10240341544 |
7 | 1416161554 |
oct | 367666410 |
9 | 145230621 |
10 | 64974088 |
11 | 33748aa3 |
12 | 199148b4 |
13 | 105cc00a |
14 | 88b4864 |
15 | 5a868ad |
hex | 3df6d08 |
64974088 has 32 divisors (see below), whose sum is σ = 125314560. Its totient is φ = 31570560.
The previous prime is 64974083. The next prime is 64974101. The reversal of 64974088 is 88047946.
It is a happy number.
It is a super-2 number, since 2×649740882 = 8443264222863488, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (64974083) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40681 + ... + 42247.
It is an arithmetic number, because the mean of its divisors is an integer number (3916080).
Almost surely, 264974088 is an apocalyptic number.
It is an amenable number.
64974088 is a deficient number, since it is larger than the sum of its proper divisors (60340472).
64974088 is a wasteful number, since it uses less digits than its factorization.
64974088 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1717 (or 1713 counting only the distinct ones).
The product of its (nonzero) digits is 387072, while the sum is 46.
The square root of 64974088 is about 8060.6505940898. The cubic root of 64974088 is about 402.0191405290.
It can be divided in two parts, 6497 and 4088, that added together give a triangular number (10585 = T145).
The spelling of 64974088 in words is "sixty-four million, nine hundred seventy-four thousand, eighty-eight".
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