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49489090 = 257706987
BaseRepresentation
bin1011110011001…
…0010011000010
310110010022021021
42330302103002
5100132122330
64524420054
71140436030
oct274622302
9113108237
1049489090
1125a31982
12146a762a
13a3399b1
146803550
15452867a
hex2f324c2

49489090 has 16 divisors (see below), whose sum is σ = 101806272. Its totient is φ = 16967664.

The previous prime is 49489079. The next prime is 49489103. The reversal of 49489090 is 9098494.

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, 353424 + ... + 353563.

It is an arithmetic number, because the mean of its divisors is an integer number (6362892).

Almost surely, 249489090 is an apocalyptic number.

49489090 is an abundant number, since it is smaller than the sum of its proper divisors (52317182).

49489090 is a wasteful number, since it uses less digits than its factorization.

49489090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707001.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 49489090 is about 7034.8482570699. The cubic root of 49489090 is about 367.1440457948.

The spelling of 49489090 in words is "forty-nine million, four hundred eighty-nine thousand, ninety".

Divisors: 1 2 5 7 10 14 35 70 706987 1413974 3534935 4948909 7069870 9897818 24744545 49489090