Base | Representation |
---|---|
bin | 1111010001100… |
… | …1111111100111 |
3 | 11110120001222102 |
4 | 3310121333213 |
5 | 112400211412 |
6 | 10205122315 |
7 | 1405403600 |
oct | 364317747 |
9 | 143501872 |
10 | 64069607 |
11 | 33190498 |
12 | 1955939b |
13 | 10373414 |
14 | 871ada7 |
15 | 59588c2 |
hex | 3d19fe7 |
64069607 has 12 divisors (see below), whose sum is σ = 76546440. Its totient is φ = 53431056.
The previous prime is 64069589. The next prime is 64069627. The reversal of 64069607 is 70696046.
It is not a de Polignac number, because 64069607 - 26 = 64069543 is a prime.
It is a super-2 number, since 2×640696072 = 8209829082268898, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64069627) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15857 + ... + 19482.
It is an arithmetic number, because the mean of its divisors is an integer number (6378870).
Almost surely, 264069607 is an apocalyptic number.
64069607 is a deficient number, since it is larger than the sum of its proper divisors (12476833).
64069607 is a wasteful number, since it uses less digits than its factorization.
64069607 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35390 (or 35383 counting only the distinct ones).
The product of its (nonzero) digits is 54432, while the sum is 38.
The square root of 64069607 is about 8004.3492552487. The cubic root of 64069607 is about 400.1449620420.
The spelling of 64069607 in words is "sixty-four million, sixty-nine thousand, six hundred seven".
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