Base | Representation |
---|---|
bin | 1000010101100… |
… | …11110011001000 |
3 | 11212121110000221 |
4 | 10022303303020 |
5 | 120401124342 |
6 | 10535035424 |
7 | 1506333625 |
oct | 412636310 |
9 | 155543027 |
10 | 69942472 |
11 | 365318a6 |
12 | 1b50bb74 |
13 | 1164b5a2 |
14 | 940934c |
15 | 6218a67 |
hex | 42b3cc8 |
69942472 has 16 divisors (see below), whose sum is σ = 132145200. Its totient is φ = 34703760.
The previous prime is 69942451. The next prime is 69942497. The reversal of 69942472 is 27424996.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32322 + ... + 34417.
It is an arithmetic number, because the mean of its divisors is an integer number (8259075).
Almost surely, 269942472 is an apocalyptic number.
It is an amenable number.
69942472 is a deficient number, since it is larger than the sum of its proper divisors (62202728).
69942472 is a wasteful number, since it uses less digits than its factorization.
69942472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66876 (or 66872 counting only the distinct ones).
The product of its digits is 217728, while the sum is 43.
The square root of 69942472 is about 8363.1616031259. The cubic root of 69942472 is about 412.0155993717.
The spelling of 69942472 in words is "sixty-nine million, nine hundred forty-two thousand, four hundred seventy-two".
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