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7490995 = 53121559
BaseRepresentation
bin11100100100110110110011
3112002120201021
4130210312303
53404202440
6424320311
7120446431
oct34446663
915076637
107490995
114257106
122613097
131723855
14dcdd51
159ce84a
hex724db3

7490995 has 12 divisors (see below), whose sum is σ = 9294480. Its totient is φ = 5795760.

The previous prime is 7490981. The next prime is 7491007. The reversal of 7490995 is 5990947.

7490995 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7490995 - 211 = 7488947 is a prime.

It is a super-2 number, since 2×74909952 = 112230012180050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4026 + ... + 5584.

It is an arithmetic number, because the mean of its divisors is an integer number (774540).

Almost surely, 27490995 is an apocalyptic number.

7490995 is a deficient number, since it is larger than the sum of its proper divisors (1803485).

7490995 is a wasteful number, since it uses less digits than its factorization.

7490995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626 (or 1595 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 43.

The square root of 7490995 is about 2736.9682131877. The cubic root of 7490995 is about 195.6650098324.

The spelling of 7490995 in words is "seven million, four hundred ninety thousand, nine hundred ninety-five".

Divisors: 1 5 31 155 961 1559 4805 7795 48329 241645 1498199 7490995