Base | Representation |
---|---|
bin | 1100010001000… |
… | …00010010110101 |
3 | 21011121111021200 |
4 | 12020200102311 |
5 | 202320031400 |
6 | 14113203113 |
7 | 2356400535 |
oct | 610402265 |
9 | 234544250 |
10 | 102892725 |
11 | 53097911 |
12 | 2a560499 |
13 | 18417390 |
14 | d9454c5 |
15 | 9076b00 |
hex | 62204b5 |
102892725 has 72 divisors (see below), whose sum is σ = 205481640. Its totient is φ = 48867840.
The previous prime is 102892717. The next prime is 102892747. The reversal of 102892725 is 527298201.
It can be written as a sum of positive squares in 12 ways, for example, as 73667889 + 29224836 = 8583^2 + 5406^2 .
It is not a de Polignac number, because 102892725 - 23 = 102892717 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 102892725.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 84219 + ... + 85431.
Almost surely, 2102892725 is an apocalyptic number.
102892725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
102892725 is a deficient number, since it is larger than the sum of its proper divisors (102588915).
102892725 is a wasteful number, since it uses less digits than its factorization.
102892725 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1271 (or 1263 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 36.
The square root of 102892725 is about 10143.6051283555. The cubic root of 102892725 is about 468.5920214306.
The spelling of 102892725 in words is "one hundred two million, eight hundred ninety-two thousand, seven hundred twenty-five".
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