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49738990 = 257710557
BaseRepresentation
bin1011110110111…
…1010011101110
310110121000001211
42331233103232
5100213121430
64534025034
71142526430
oct275572356
9113530054
1049738990
1126092704
12147a817a
13a3c6672
14686a650
15457772a
hex2f6f4ee

49738990 has 16 divisors (see below), whose sum is σ = 102320352. Its totient is φ = 17053344.

The previous prime is 49738987. The next prime is 49739021. The reversal of 49738990 is 9983794.

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, 355209 + ... + 355348.

It is an arithmetic number, because the mean of its divisors is an integer number (6395022).

Almost surely, 249738990 is an apocalyptic number.

49738990 is an abundant number, since it is smaller than the sum of its proper divisors (52581362).

49738990 is a wasteful number, since it uses less digits than its factorization.

49738990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710571.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 49738990 is about 7052.5874684402. The cubic root of 49738990 is about 367.7609851139.

The spelling of 49738990 in words is "forty-nine million, seven hundred thirty-eight thousand, nine hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 710557 1421114 3552785 4973899 7105570 9947798 24869495 49738990