Base | Representation |
---|---|
bin | 1001010010010011… |
… | …1001011100000101 |
3 | 20102201110022010211 |
4 | 2110210321130011 |
5 | 20101112403141 |
6 | 1051203115421 |
7 | 115525414111 |
oct | 22444713405 |
9 | 6381408124 |
10 | 2492700421 |
11 | 106a0787a2 |
12 | 596972b71 |
13 | 309574a83 |
14 | 1990b0741 |
15 | e8c87d81 |
hex | 94939705 |
2492700421 has 12 divisors (see below), whose sum is σ = 2711287200. Its totient is φ = 2285311320.
The previous prime is 2492700407. The next prime is 2492700437. The reversal of 2492700421 is 1240072942.
It is not a de Polignac number, because 2492700421 - 25 = 2492700389 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2492700491) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50001 + ... + 86518.
It is an arithmetic number, because the mean of its divisors is an integer number (225940600).
Almost surely, 22492700421 is an apocalyptic number.
It is an amenable number.
2492700421 is a deficient number, since it is larger than the sum of its proper divisors (218586779).
2492700421 is a wasteful number, since it uses less digits than its factorization.
2492700421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 136600 (or 136569 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 31.
The square root of 2492700421 is about 49926.9508482142. The cubic root of 2492700421 is about 1355.8865801780.
The spelling of 2492700421 in words is "two billion, four hundred ninety-two million, seven hundred thousand, four hundred twenty-one".
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