Base | Representation |
---|---|
bin | 1000101100100… |
… | …00010001110100 |
3 | 12002020212120210 |
4 | 10112100101310 |
5 | 122133131313 |
6 | 11123225420 |
7 | 1544000646 |
oct | 426202164 |
9 | 162225523 |
10 | 72942708 |
11 | 381a0a33 |
12 | 20518270 |
13 | 1215c087 |
14 | 998a896 |
15 | 660c9c3 |
hex | 4590474 |
72942708 has 12 divisors (see below), whose sum is σ = 170199680. Its totient is φ = 24314232.
The previous prime is 72942707. The next prime is 72942713. The reversal of 72942708 is 80724927.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72942707) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3039268 + ... + 3039291.
Almost surely, 272942708 is an apocalyptic number.
It is an amenable number.
72942708 is an abundant number, since it is smaller than the sum of its proper divisors (97256972).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72942708 is a wasteful number, since it uses less digits than its factorization.
72942708 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6078566 (or 6078564 counting only the distinct ones).
The product of its (nonzero) digits is 56448, while the sum is 39.
The square root of 72942708 is about 8540.6503265267. The cubic root of 72942708 is about 417.8245564561.
The spelling of 72942708 in words is "seventy-two million, nine hundred forty-two thousand, seven hundred eight".
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