Base | Representation |
---|---|
bin | 1000101000001… |
… | …00101011101101 |
3 | 12001011211020122 |
4 | 10110010223231 |
5 | 122011332200 |
6 | 11103054325 |
7 | 1536066644 |
oct | 424045355 |
9 | 161154218 |
10 | 72370925 |
11 | 37940390 |
12 | 202a13a5 |
13 | 11cbba43 |
14 | 987c35b |
15 | 6548385 |
hex | 4504aed |
72370925 has 12 divisors (see below), whose sum is σ = 97898496. Its totient is φ = 52633200.
The previous prime is 72370913. The next prime is 72370933. The reversal of 72370925 is 52907327.
It is not a de Polignac number, because 72370925 - 212 = 72366829 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131309 + ... + 131858.
It is an arithmetic number, because the mean of its divisors is an integer number (8158208).
Almost surely, 272370925 is an apocalyptic number.
It is an amenable number.
72370925 is a deficient number, since it is larger than the sum of its proper divisors (25527571).
72370925 is a wasteful number, since it uses less digits than its factorization.
72370925 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 263188 (or 263183 counting only the distinct ones).
The product of its (nonzero) digits is 26460, while the sum is 35.
The square root of 72370925 is about 8507.1102614225. The cubic root of 72370925 is about 416.7299441676.
The spelling of 72370925 in words is "seventy-two million, three hundred seventy thousand, nine hundred twenty-five".
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