Base | Representation |
---|---|
bin | 1000010101011… |
… | …11100100010100 |
3 | 11212120120021000 |
4 | 10022233210110 |
5 | 120400101030 |
6 | 10534423300 |
7 | 1506232245 |
oct | 412574424 |
9 | 155516230 |
10 | 69925140 |
11 | 3651a87a |
12 | 1b501b30 |
13 | 1164372c |
14 | 9402ccc |
15 | 6213860 |
hex | 42af914 |
69925140 has 48 divisors (see below), whose sum is σ = 217546560. Its totient is φ = 18646560.
The previous prime is 69925133. The next prime is 69925147. The reversal of 69925140 is 4152996.
It is an interprime number because it is at equal distance from previous prime (69925133) and next prime (69925147).
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 69925095 and 69925104.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69925147) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64206 + ... + 65285.
It is an arithmetic number, because the mean of its divisors is an integer number (4532220).
Almost surely, 269925140 is an apocalyptic number.
69925140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
69925140 is an abundant number, since it is smaller than the sum of its proper divisors (147621420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69925140 is a wasteful number, since it uses less digits than its factorization.
69925140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 129509 (or 129501 counting only the distinct ones).
The product of its (nonzero) digits is 19440, while the sum is 36.
The square root of 69925140 is about 8362.1253279295. The cubic root of 69925140 is about 411.9815635700.
The spelling of 69925140 in words is "sixty-nine million, nine hundred twenty-five thousand, one hundred forty".
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