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49702990 = 2521792281
BaseRepresentation
bin1011110110011…
…0100001001110
310110112011200111
42331212201032
5100210443430
64533150234
71142316451
oct275464116
9113464614
1049702990
1126068657
121478b37a
13a3b316c
14685b498
15456bc2a
hex2f6684e

49702990 has 16 divisors (see below), whose sum is σ = 89545680. Its totient is φ = 19863360.

The previous prime is 49702987. The next prime is 49703011. The reversal of 49702990 is 9920794.

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, 20650 + ... + 22930.

It is an arithmetic number, because the mean of its divisors is an integer number (5596605).

Almost surely, 249702990 is an apocalyptic number.

49702990 is a deficient number, since it is larger than the sum of its proper divisors (39842690).

49702990 is a wasteful number, since it uses less digits than its factorization.

49702990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4467.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 49702990 is about 7050.0347516874. The cubic root of 49702990 is about 367.6722378965.

The spelling of 49702990 in words is "forty-nine million, seven hundred two thousand, nine hundred ninety".

Divisors: 1 2 5 10 2179 2281 4358 4562 10895 11405 21790 22810 4970299 9940598 24851495 49702990