Base | Representation |
---|---|
bin | 1111100011110… |
… | …1111100001100 |
3 | 11112210211022210 |
4 | 3320331330030 |
5 | 113201443140 |
6 | 10250510420 |
7 | 1421514123 |
oct | 370757414 |
9 | 145724283 |
10 | 65265420 |
11 | 33927970 |
12 | 19a35410 |
13 | 106a17bc |
14 | 894caba |
15 | 5ae2d80 |
hex | 3e3df0c |
65265420 has 48 divisors (see below), whose sum is σ = 199358208. Its totient is φ = 15821760.
The previous prime is 65265413. The next prime is 65265449. The reversal of 65265420 is 2456256.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48784 + ... + 50103.
It is an arithmetic number, because the mean of its divisors is an integer number (4153296).
Almost surely, 265265420 is an apocalyptic number.
65265420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
65265420 is an abundant number, since it is smaller than the sum of its proper divisors (134092788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
65265420 is a wasteful number, since it uses less digits than its factorization.
65265420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 98910 (or 98908 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 30.
The square root of 65265420 is about 8078.7016283559. The cubic root of 65265420 is about 402.6191049599.
The spelling of 65265420 in words is "sixty-five million, two hundred sixty-five thousand, four hundred twenty".
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