Base | Representation |
---|---|
bin | 1011110011011… |
… | …0110001100100 |
3 | 10110011020102110 |
4 | 2330312301210 |
5 | 100133214203 |
6 | 4525041020 |
7 | 1140543345 |
oct | 274666144 |
9 | 113136373 |
10 | 49507428 |
11 | 25a44733 |
12 | 146b6170 |
13 | a345149 |
14 | 680a0cc |
15 | 452dd03 |
hex | 2f36c64 |
49507428 has 12 divisors (see below), whose sum is σ = 115517360. Its totient is φ = 16502472.
The previous prime is 49507427. The next prime is 49507429. The reversal of 49507428 is 82470594.
It is an interprime number because it is at equal distance from previous prime (49507427) and next prime (49507429).
It is a tau number, because it is divible by the number of its divisors (12).
It is not an unprimeable number, because it can be changed into a prime (49507421) 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, 2062798 + ... + 2062821.
Almost surely, 249507428 is an apocalyptic number.
It is an amenable number.
49507428 is an abundant number, since it is smaller than the sum of its proper divisors (66009932).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49507428 is a wasteful number, since it uses less digits than its factorization.
49507428 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4125626 (or 4125624 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 39.
The square root of 49507428 is about 7036.1515049066. The cubic root of 49507428 is about 367.1893881527.
The spelling of 49507428 in words is "forty-nine million, five hundred seven thousand, four hundred twenty-eight".
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