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49568140 = 2252478407
BaseRepresentation
bin1011110100010…
…1100110001100
310110021022201001
42331011212030
5100142140030
64530230044
71141215346
oct275054614
9113238631
1049568140
1125a86306
1214725324
13a36697b
146824296
154541cca
hex2f4598c

49568140 has 12 divisors (see below), whose sum is σ = 104093136. Its totient is φ = 19827248.

The previous prime is 49568111. The next prime is 49568147. The reversal of 49568140 is 4186594.

It is a happy number.

49568140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 49568140.

It is not an unprimeable number, because it can be changed into a prime (49568147) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1239184 + ... + 1239223.

It is an arithmetic number, because the mean of its divisors is an integer number (8674428).

Almost surely, 249568140 is an apocalyptic number.

It is an amenable number.

49568140 is an abundant number, since it is smaller than the sum of its proper divisors (54524996).

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

49568140 is a wasteful number, since it uses less digits than its factorization.

49568140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2478416 (or 2478414 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 49568140 is about 7040.4644733142. The cubic root of 49568140 is about 367.3394241946.

It can be divided in two parts, 495 and 68140, that added together give a triangular number (68635 = T370).

The spelling of 49568140 in words is "forty-nine million, five hundred sixty-eight thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 2478407 4956814 9913628 12392035 24784070 49568140