Base | Representation |
---|---|
bin | 1101101100100… |
… | …1101000101111 |
3 | 11000002201020000 |
4 | 3123021220233 |
5 | 104201332012 |
6 | 5411155343 |
7 | 1265210550 |
oct | 333115057 |
9 | 130081200 |
10 | 57449007 |
11 | 2a479320 |
12 | 172a5b53 |
13 | bb95ac5 |
14 | 78b6327 |
15 | 509bddc |
hex | 36c9a2f |
57449007 has 80 divisors (see below), whose sum is σ = 109469184. Its totient is φ = 29160000.
The previous prime is 57449003. The next prime is 57449017. The reversal of 57449007 is 70094475.
It is a happy number.
It is not a de Polignac number, because 57449007 - 22 = 57449003 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57449003) by changing a digit.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 380382 + ... + 380532.
Almost surely, 257449007 is an apocalyptic number.
57449007 is a deficient number, since it is larger than the sum of its proper divisors (52020177).
57449007 is a wasteful number, since it uses less digits than its factorization.
57449007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 242 (or 233 counting only the distinct ones).
The product of its (nonzero) digits is 35280, while the sum is 36.
The square root of 57449007 is about 7579.5123194042. The cubic root of 57449007 is about 385.8579998857.
The spelling of 57449007 in words is "fifty-seven million, four hundred forty-nine thousand, seven".
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