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49985454 = 233128669
BaseRepresentation
bin1011111010101…
…1011110101110
310111001112011010
42332223132232
5100244013304
64543210050
71144604121
oct276533656
9114045133
1049985454
11262408a2
12148a6926
13a4818bc
1468d23b8
1545c5789
hex2fab7ae

49985454 has 24 divisors (see below), whose sum is σ = 103311720. Its totient is φ = 16122480.

The previous prime is 49985399. The next prime is 49985459. The reversal of 49985454 is 45458994.

It is a super-2 number, since 2×499854542 = 4997091223172232, which contains 22 as substring.

49985454 is a modest number, since divided by 5454 gives 4998 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49985459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1432 + ... + 10100.

It is an arithmetic number, because the mean of its divisors is an integer number (4304655).

Almost surely, 249985454 is an apocalyptic number.

49985454 is an abundant number, since it is smaller than the sum of its proper divisors (53326266).

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

49985454 is a wasteful number, since it uses less digits than its factorization.

49985454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8736 (or 8705 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 48.

The square root of 49985454 is about 7070.0391795237. The cubic root of 49985454 is about 368.3674211176.

The spelling of 49985454 in words is "forty-nine million, nine hundred eighty-five thousand, four hundred fifty-four".

Divisors: 1 2 3 6 31 62 93 186 961 1922 2883 5766 8669 17338 26007 52014 268739 537478 806217 1612434 8330909 16661818 24992727 49985454