Base | Representation |
---|---|
bin | 1000101100100… |
… | …00010101110110 |
3 | 12002020212221100 |
4 | 10112100111312 |
5 | 122133133331 |
6 | 11123230530 |
7 | 1544001465 |
oct | 426202566 |
9 | 162225840 |
10 | 72942966 |
11 | 381a1148 |
12 | 20518446 |
13 | 1215c225 |
14 | 998a9dc |
15 | 660cae6 |
hex | 4590576 |
72942966 has 48 divisors (see below), whose sum is σ = 162759168. Its totient is φ = 23598000.
The previous prime is 72942953. The next prime is 72942979. The reversal of 72942966 is 66924927.
It is an interprime number because it is at equal distance from previous prime (72942953) and next prime (72942979).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127461 + ... + 128031.
It is an arithmetic number, because the mean of its divisors is an integer number (3390816).
Almost surely, 272942966 is an apocalyptic number.
72942966 is an abundant number, since it is smaller than the sum of its proper divisors (89816202).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72942966 is a wasteful number, since it uses less digits than its factorization.
72942966 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 777 (or 774 counting only the distinct ones).
The product of its digits is 326592, while the sum is 45.
The square root of 72942966 is about 8540.6654307495. The cubic root of 72942966 is about 417.8250490739.
The spelling of 72942966 in words is "seventy-two million, nine hundred forty-two thousand, nine hundred sixty-six".
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