Base | Representation |
---|---|
bin | 1011101010001… |
… | …1001100010011 |
3 | 10102000112012200 |
4 | 2322203030103 |
5 | 100004343211 |
6 | 4504054243 |
7 | 1132445100 |
oct | 272431423 |
9 | 112015180 |
10 | 48902931 |
11 | 25671550 |
12 | 14464383 |
13 | a192c5c |
14 | 66cdaa7 |
15 | 445eb56 |
hex | 2ea3313 |
48902931 has 72 divisors (see below), whose sum is σ = 95073264. Its totient is φ = 23869440.
The previous prime is 48902923. The next prime is 48902947. The reversal of 48902931 is 13920984.
48902931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 48902931 - 23 = 48902923 is a prime.
It is a super-2 number, since 2×489029312 = 4782993320781522, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (48902981) 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 71 ways as a sum of consecutive naturals, for example, 82171 + ... + 82763.
It is an arithmetic number, because the mean of its divisors is an integer number (1320462).
Almost surely, 248902931 is an apocalyptic number.
48902931 is a deficient number, since it is larger than the sum of its proper divisors (46170333).
48902931 is a wasteful number, since it uses less digits than its factorization.
48902931 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 641 (or 631 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 36.
The square root of 48902931 is about 6993.0630627787. The cubic root of 48902931 is about 365.6887751123.
The spelling of 48902931 in words is "forty-eight million, nine hundred two thousand, nine hundred thirty-one".
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