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7490742 = 237178351
BaseRepresentation
bin11100100100110010110110
3112002120100220
4130210302312
53404200432
6424315210
7120445620
oct34446266
915076326
107490742
1142569a6
122612b06
1317236bc
14dcdc10
159ce72c
hex724cb6

7490742 has 16 divisors (see below), whose sum is σ = 17121792. Its totient is φ = 2140200.

The previous prime is 7490737. The next prime is 7490759. The reversal of 7490742 is 2470947.

7490742 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×74907422 = 112222431421128, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89134 + ... + 89217.

It is an arithmetic number, because the mean of its divisors is an integer number (1070112).

Almost surely, 27490742 is an apocalyptic number.

7490742 is an abundant number, since it is smaller than the sum of its proper divisors (9631050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7490742 is a wasteful number, since it uses less digits than its factorization.

7490742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178363.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 7490742 is about 2736.9219937733. The cubic root of 7490742 is about 195.6628070185.

The spelling of 7490742 in words is "seven million, four hundred ninety thousand, seven hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 178351 356702 535053 1070106 1248457 2496914 3745371 7490742