Base | Representation |
---|---|
bin | 1001000101111… |
… | …00001110001111 |
3 | 12022111211121201 |
4 | 10202330032033 |
5 | 124011042211 |
6 | 11322410331 |
7 | 1614161641 |
oct | 442741617 |
9 | 168454551 |
10 | 76268431 |
11 | 3a062668 |
12 | 216609a7 |
13 | 12a54a65 |
14 | a1b4891 |
15 | 6a680c1 |
hex | 48bc38f |
76268431 has 4 divisors (see below), whose sum is σ = 77707512. Its totient is φ = 74829352.
The previous prime is 76268419. The next prime is 76268449. The reversal of 76268431 is 13486267.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13486267 = 1151 ⋅11717.
It is a cyclic number.
It is not a de Polignac number, because 76268431 - 217 = 76137359 is a prime.
It is a super-2 number, since 2×762684312 = 11633747134403522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (76268471) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 719461 + ... + 719566.
It is an arithmetic number, because the mean of its divisors is an integer number (19426878).
Almost surely, 276268431 is an apocalyptic number.
76268431 is a deficient number, since it is larger than the sum of its proper divisors (1439081).
76268431 is a wasteful number, since it uses less digits than its factorization.
76268431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1439080.
The product of its digits is 48384, while the sum is 37.
The square root of 76268431 is about 8733.1798905095. The cubic root of 76268431 is about 424.0804682181.
The spelling of 76268431 in words is "seventy-six million, two hundred sixty-eight thousand, four hundred thirty-one".
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