Base | Representation |
---|---|
bin | 1000111001000… |
… | …10001111001011 |
3 | 12012100112001102 |
4 | 10130202033023 |
5 | 123043323011 |
6 | 11222412015 |
7 | 1563666011 |
oct | 434421713 |
9 | 165315042 |
10 | 74589131 |
11 | 39115a11 |
12 | 20b9100b |
13 | 125b75a6 |
14 | 9c988b1 |
15 | 683573b |
hex | 47223cb |
74589131 has 12 divisors (see below), whose sum is σ = 79769664. Its totient is φ = 69669600.
The previous prime is 74589113. The next prime is 74589139. The reversal of 74589131 is 13198547.
It is not a de Polignac number, because 74589131 - 214 = 74572747 is a prime.
It is a super-2 number, since 2×745891312 = 11127076926670322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (74589139) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24641 + ... + 27501.
It is an arithmetic number, because the mean of its divisors is an integer number (6647472).
Almost surely, 274589131 is an apocalyptic number.
74589131 is a deficient number, since it is larger than the sum of its proper divisors (5180533).
74589131 is a wasteful number, since it uses less digits than its factorization.
74589131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2950 (or 2921 counting only the distinct ones).
The product of its digits is 30240, while the sum is 38.
The square root of 74589131 is about 8636.4999276327. The cubic root of 74589131 is about 420.9448324716.
The spelling of 74589131 in words is "seventy-four million, five hundred eighty-nine thousand, one hundred thirty-one".
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