Base | Representation |
---|---|
bin | 1111010010111… |
… | …0001001000111 |
3 | 11110201021012000 |
4 | 3310232021013 |
5 | 112410332020 |
6 | 10211000343 |
7 | 1406166315 |
oct | 364561107 |
9 | 143637160 |
10 | 64152135 |
11 | 332374a3 |
12 | 195990b3 |
13 | 103a1b58 |
14 | 873d0b5 |
15 | 5973090 |
hex | 3d2e247 |
64152135 has 32 divisors (see below), whose sum is σ = 120761280. Its totient is φ = 32200704.
The previous prime is 64152131. The next prime is 64152139. The reversal of 64152135 is 53125146.
64152135 is a `hidden beast` number, since 641 + 5 + 2 + 13 + 5 = 666.
It is an interprime number because it is at equal distance from previous prime (64152131) and next prime (64152139).
It is not a de Polignac number, because 64152135 - 22 = 64152131 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 64152099 and 64152108.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64152131) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11682 + ... + 16271.
It is an arithmetic number, because the mean of its divisors is an integer number (3773790).
Almost surely, 264152135 is an apocalyptic number.
64152135 is a deficient number, since it is larger than the sum of its proper divisors (56609145).
64152135 is a wasteful number, since it uses less digits than its factorization.
64152135 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27984 (or 27978 counting only the distinct ones).
The product of its digits is 3600, while the sum is 27.
The square root of 64152135 is about 8009.5027935572. The cubic root of 64152135 is about 400.3166971078.
The spelling of 64152135 in words is "sixty-four million, one hundred fifty-two thousand, one hundred thirty-five".
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