Base | Representation |
---|---|
bin | 1011110010110… |
… | …0001001110000 |
3 | 10110002000202001 |
4 | 2330230021300 |
5 | 100130321140 |
6 | 4524103344 |
7 | 1140302452 |
oct | 274541160 |
9 | 113060661 |
10 | 49463920 |
11 | 25a14a80 |
12 | 14694b54 |
13 | a32b3bc |
14 | 67d82d2 |
15 | 4520e9a |
hex | 2f2c270 |
49463920 has 40 divisors (see below), whose sum is σ = 125460720. Its totient is φ = 17986560.
The previous prime is 49463899. The next prime is 49463923. The reversal of 49463920 is 2936494.
It is a tau number, because it is divible by the number of its divisors (40).
It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 49463920.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49463923) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27225 + ... + 28984.
It is an arithmetic number, because the mean of its divisors is an integer number (3136518).
Almost surely, 249463920 is an apocalyptic number.
49463920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
49463920 is an abundant number, since it is smaller than the sum of its proper divisors (75996800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49463920 is a wasteful number, since it uses less digits than its factorization.
49463920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56233 (or 56227 counting only the distinct ones).
The product of its (nonzero) digits is 46656, while the sum is 37.
The square root of 49463920 is about 7033.0590783812. The cubic root of 49463920 is about 367.0817924596.
The spelling of 49463920 in words is "forty-nine million, four hundred sixty-three thousand, nine hundred twenty".
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