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2492909387 = 6140867367
BaseRepresentation
bin1001010010010110…
…1100011101001011
320102201211220210022
42110211230131023
520101141100022
61051211411055
7115530244253
oct22445543513
96381756708
102492909387
11106a2007a1
12596a53a8b
13309618c17
14199126963
15e8cc9c42
hex9496c74b

2492909387 has 4 divisors (see below), whose sum is σ = 2533776816. Its totient is φ = 2452041960.

The previous prime is 2492909369. The next prime is 2492909407. The reversal of 2492909387 is 7839092942.

2492909387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2492909387 - 26 = 2492909323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2492909327) 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, 20433623 + ... + 20433744.

It is an arithmetic number, because the mean of its divisors is an integer number (633444204).

Almost surely, 22492909387 is an apocalyptic number.

2492909387 is a deficient number, since it is larger than the sum of its proper divisors (40867429).

2492909387 is an equidigital number, since it uses as much as digits as its factorization.

2492909387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40867428.

The product of its (nonzero) digits is 1959552, while the sum is 53.

The square root of 2492909387 is about 49929.0435217820. The cubic root of 2492909387 is about 1355.9244676401.

The spelling of 2492909387 in words is "two billion, four hundred ninety-two million, nine hundred nine thousand, three hundred eighty-seven".

Divisors: 1 61 40867367 2492909387