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49686090 = 2351656203
BaseRepresentation
bin1011110110001…
…0011001001010
310110111022111120
42331202121022
5100204423330
64532540110
71142216256
oct275423112
9113438446
1049686090
1126056993
1214781636
13a3a856c
146855266
154566c10
hex2f6264a

49686090 has 16 divisors (see below), whose sum is σ = 119246688. Its totient is φ = 13249616.

The previous prime is 49686089. The next prime is 49686101. The reversal of 49686090 is 9068694.

49686090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 828072 + ... + 828131.

It is an arithmetic number, because the mean of its divisors is an integer number (7452918).

Almost surely, 249686090 is an apocalyptic number.

49686090 is an abundant number, since it is smaller than the sum of its proper divisors (69560598).

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

49686090 is a wasteful number, since it uses less digits than its factorization.

49686090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656213.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 49686090 is about 7048.8360741331. The cubic root of 49686090 is about 367.6305612274.

The spelling of 49686090 in words is "forty-nine million, six hundred eighty-six thousand, ninety".

Divisors: 1 2 3 5 6 10 15 30 1656203 3312406 4968609 8281015 9937218 16562030 24843045 49686090