Base | Representation |
---|---|
bin | 1000111001110… |
… | …01101001111011 |
3 | 12012112101122000 |
4 | 10130321221323 |
5 | 123104410201 |
6 | 11224432043 |
7 | 1564545450 |
oct | 434715173 |
9 | 165471560 |
10 | 74685051 |
11 | 39180a91 |
12 | 21018623 |
13 | 1261c14c |
14 | 9cc1827 |
15 | 6853d86 |
hex | 4739a7b |
74685051 has 16 divisors (see below), whose sum is σ = 126451200. Its totient is φ = 42677064.
The previous prime is 74685019. The next prime is 74685073. The reversal of 74685051 is 15058647.
It is not a de Polignac number, because 74685051 - 25 = 74685019 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 74684997 and 74685015.
It is not an unprimeable number, because it can be changed into a prime (74685001) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197391 + ... + 197768.
It is an arithmetic number, because the mean of its divisors is an integer number (7903200).
Almost surely, 274685051 is an apocalyptic number.
74685051 is a deficient number, since it is larger than the sum of its proper divisors (51766149).
74685051 is a wasteful number, since it uses less digits than its factorization.
74685051 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 395175 (or 395169 counting only the distinct ones).
The product of its (nonzero) digits is 33600, while the sum is 36.
The square root of 74685051 is about 8642.0513189867. The cubic root of 74685051 is about 421.1251971447.
The spelling of 74685051 in words is "seventy-four million, six hundred eighty-five thousand, fifty-one".
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