Base | Representation |
---|---|
bin | 1000101000011… |
… | …00110010111010 |
3 | 12001020111211100 |
4 | 10110030302322 |
5 | 122013413104 |
6 | 11103512230 |
7 | 1536265554 |
oct | 424146272 |
9 | 161214740 |
10 | 72404154 |
11 | 37963349 |
12 | 202b8676 |
13 | 12000bc4 |
14 | 988a4d4 |
15 | 6553139 |
hex | 450ccba |
72404154 has 24 divisors (see below), whose sum is σ = 157465152. Its totient is φ = 24044040.
The previous prime is 72404141. The next prime is 72404177. The reversal of 72404154 is 45140427.
72404154 is a `hidden beast` number, since 7 + 240 + 415 + 4 = 666.
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, 2544 + ... + 12299.
It is an arithmetic number, because the mean of its divisors is an integer number (6561048).
Almost surely, 272404154 is an apocalyptic number.
72404154 is an abundant number, since it is smaller than the sum of its proper divisors (85060998).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72404154 is a wasteful number, since it uses less digits than its factorization.
72404154 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15122 (or 15119 counting only the distinct ones).
The product of its (nonzero) digits is 4480, while the sum is 27.
The square root of 72404154 is about 8509.0630506537. The cubic root of 72404154 is about 416.7937147149.
The spelling of 72404154 in words is "seventy-two million, four hundred four thousand, one hundred fifty-four".
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