Base | Representation |
---|---|
bin | 1011111001010… |
… | …1010010101100 |
3 | 10110212220111010 |
4 | 2332111102230 |
5 | 100233111242 |
6 | 4541225220 |
7 | 1144045140 |
oct | 276252254 |
9 | 113786433 |
10 | 49894572 |
11 | 26189592 |
12 | 14862210 |
13 | a44c420 |
14 | 68ab220 |
15 | 45a889c |
hex | 2f954ac |
49894572 has 48 divisors (see below), whose sum is σ = 143290112. Its totient is φ = 13158720.
The previous prime is 49894549. The next prime is 49894573. The reversal of 49894572 is 27549894.
It is not an unprimeable number, because it can be changed into a prime (49894573) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21754 + ... + 23937.
Almost surely, 249894572 is an apocalyptic number.
49894572 is a gapful number since it is divisible by the number (42) formed by its first and last digit.
It is an amenable number.
49894572 is an abundant number, since it is smaller than the sum of its proper divisors (93395540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49894572 is a wasteful number, since it uses less digits than its factorization.
49894572 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45718 (or 45716 counting only the distinct ones).
The product of its digits is 725760, while the sum is 48.
The square root of 49894572 is about 7063.6089925760. The cubic root of 49894572 is about 368.1440342765.
It can be divided in two parts, 4 and 9894572, that added together give a triangular number (9894576 = T4448).
The spelling of 49894572 in words is "forty-nine million, eight hundred ninety-four thousand, five hundred seventy-two".
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