Base | Representation |
---|---|
bin | 1001100000101000010011 |
3 | 11200122200101 |
4 | 21200220103 |
5 | 1114233242 |
6 | 125233231 |
7 | 30122032 |
oct | 11405023 |
9 | 4618611 |
10 | 2492947 |
11 | 1452a96 |
12 | a02817 |
13 | 693922 |
14 | 48c719 |
15 | 3439b7 |
hex | 260a13 |
2492947 has 8 divisors (see below), whose sum is σ = 2617344. Its totient is φ = 2369928.
The previous prime is 2492899. The next prime is 2492951. The reversal of 2492947 is 7492942.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2492947 - 211 = 2490899 is a prime.
It is a d-powerful number, because it can be written as 217 + 42 + 92 + 221 + 92 + 49 + 74 .
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2492957) 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, 6318 + ... + 6700.
It is an arithmetic number, because the mean of its divisors is an integer number (327168).
22492947 is an apocalyptic number.
2492947 is a deficient number, since it is larger than the sum of its proper divisors (124397).
2492947 is a wasteful number, since it uses less digits than its factorization.
2492947 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 689.
The product of its digits is 36288, while the sum is 37.
The square root of 2492947 is about 1578.9069003586. The cubic root of 2492947 is about 135.5931286999.
It can be divided in two parts, 24929 and 47, that added together give a triangular number (24976 = T223).
The spelling of 2492947 in words is "two million, four hundred ninety-two thousand, nine hundred forty-seven".
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