Base | Representation |
---|---|
bin | 1111011110101… |
… | …1111001100000 |
3 | 11112011202100201 |
4 | 3313223321200 |
5 | 113110220001 |
6 | 10235354544 |
7 | 1415614321 |
oct | 367537140 |
9 | 145152321 |
10 | 64929376 |
11 | 33718446 |
12 | 198b2a54 |
13 | 105b4865 |
14 | 88a2448 |
15 | 5a78501 |
hex | 3debe60 |
64929376 has 96 divisors (see below), whose sum is σ = 142490880. Its totient is φ = 29030400.
The previous prime is 64929373. The next prime is 64929379. The reversal of 64929376 is 67392946.
It is an interprime number because it is at equal distance from previous prime (64929373) and next prime (64929379).
Its product of digits (489888) is a multiple of the sum of its prime factors (168).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64929373) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1064386 + ... + 1064446.
It is an arithmetic number, because the mean of its divisors is an integer number (1484280).
Almost surely, 264929376 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 64929376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71245440).
64929376 is an abundant number, since it is smaller than the sum of its proper divisors (77561504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64929376 is a wasteful number, since it uses less digits than its factorization.
64929376 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 168 (or 160 counting only the distinct ones).
The product of its digits is 489888, while the sum is 46.
The square root of 64929376 is about 8057.8766433844. The cubic root of 64929376 is about 401.9269027097.
The spelling of 64929376 in words is "sixty-four million, nine hundred twenty-nine thousand, three hundred seventy-six".
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