Base | Representation |
---|---|
bin | 1111011111001… |
… | …1111111100110 |
3 | 11112020102211210 |
4 | 3313303333212 |
5 | 113112300114 |
6 | 10240212250 |
7 | 1416113100 |
oct | 367637746 |
9 | 145212753 |
10 | 64962534 |
11 | 3374034a |
12 | 1990a086 |
13 | 105c6990 |
14 | 88b0570 |
15 | 5a83259 |
hex | 3df3fe6 |
64962534 has 96 divisors (see below), whose sum is σ = 170069760. Its totient is φ = 16365888.
The previous prime is 64962533. The next prime is 64962563. The reversal of 64962534 is 43526946.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a junction number, because it is equal to n+sod(n) for n = 64962492 and 64962501.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64962533) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 87537 + ... + 88275.
It is an arithmetic number, because the mean of its divisors is an integer number (1771560).
Almost surely, 264962534 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 64962534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85034880).
64962534 is an abundant number, since it is smaller than the sum of its proper divisors (105107226).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64962534 is a wasteful number, since it uses less digits than its factorization.
64962534 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 794 (or 787 counting only the distinct ones).
The product of its digits is 155520, while the sum is 39.
The square root of 64962534 is about 8059.9338706965. The cubic root of 64962534 is about 401.9953094673.
The spelling of 64962534 in words is "sixty-four million, nine hundred sixty-two thousand, five hundred thirty-four".
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