Base | Representation |
---|---|
bin | 1000101100100… |
… | …00001000011000 |
3 | 12002020211202102 |
4 | 10112100020120 |
5 | 122133121404 |
6 | 11123222532 |
7 | 1543666124 |
oct | 426201030 |
9 | 162224672 |
10 | 72942104 |
11 | 381a0534 |
12 | 20517a48 |
13 | 1215ba11 |
14 | 998a584 |
15 | 660c71e |
hex | 4590218 |
72942104 has 32 divisors (see below), whose sum is σ = 148191120. Its totient is φ = 33524736.
The previous prime is 72942071. The next prime is 72942119. The reversal of 72942104 is 40124927.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389 + ... + 12084.
Almost surely, 272942104 is an apocalyptic number.
It is an amenable number.
72942104 is an abundant number, since it is smaller than the sum of its proper divisors (75249016).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72942104 is a wasteful number, since it uses less digits than its factorization.
72942104 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12539 (or 12535 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 29.
The square root of 72942104 is about 8540.6149661485. The cubic root of 72942104 is about 417.8234031915.
The spelling of 72942104 in words is "seventy-two million, nine hundred forty-two thousand, one hundred four".
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