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2492431 = 31374153
BaseRepresentation
bin1001100000100000001111
311200121222021
421200200033
51114224211
6125231011
730120364
oct11404017
94617867
102492431
111452667
12a02467
13693616
1448c46b
15343771
hex26080f

2492431 has 16 divisors (see below), whose sum is σ = 2757888. Its totient is φ = 2246400.

The previous prime is 2492423. The next prime is 2492443. The reversal of 2492431 is 1342942.

It is a cyclic number.

It is not a de Polignac number, because 2492431 - 23 = 2492423 is a prime.

It is a super-2 number, since 2×24924312 = 12424424579522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2492396 and 2492405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2492461) 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, 47001 + ... + 47053.

It is an arithmetic number, because the mean of its divisors is an integer number (172368).

22492431 is an apocalyptic number.

2492431 is a deficient number, since it is larger than the sum of its proper divisors (265457).

2492431 is a wasteful number, since it uses less digits than its factorization.

2492431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162.

The product of its digits is 1728, while the sum is 25.

The square root of 2492431 is about 1578.7434877142. The cubic root of 2492431 is about 135.5837728542.

The spelling of 2492431 in words is "two million, four hundred ninety-two thousand, four hundred thirty-one".

Divisors: 1 31 37 41 53 1147 1271 1517 1643 1961 2173 47027 60791 67363 80401 2492431