Base | Representation |
---|---|
bin | 1011011101100… |
… | …1111011000011 |
3 | 10100110122100100 |
4 | 2313121323003 |
5 | 44302003111 |
6 | 4434253443 |
7 | 1122442434 |
oct | 267317303 |
9 | 110418310 |
10 | 48078531 |
11 | 25159126 |
12 | 14127283 |
13 | 9c64947 |
14 | 655748b |
15 | 434a756 |
hex | 2dd9ec3 |
48078531 has 24 divisors (see below), whose sum is σ = 74048000. Its totient is φ = 29972592.
The previous prime is 48078521. The next prime is 48078539. The reversal of 48078531 is 13587084.
It is not a de Polignac number, because 48078531 - 27 = 48078403 is a prime.
It is a super-3 number, since 3×480785313 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (48078539) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11730 + ... + 15288.
Almost surely, 248078531 is an apocalyptic number.
48078531 is a deficient number, since it is larger than the sum of its proper divisors (25969469).
48078531 is a wasteful number, since it uses less digits than its factorization.
48078531 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3663 (or 3660 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 36.
The square root of 48078531 is about 6933.8684008279. The cubic root of 48078531 is about 363.6222054355.
The spelling of 48078531 in words is "forty-eight million, seventy-eight thousand, five hundred thirty-one".
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