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49748388 = 2234145699
BaseRepresentation
bin1011110111000…
…1100110100100
310110121110221220
42331301212210
5100213422023
64534140340
71142566014
oct275614644
9113543856
1049748388
1126099778
12147b16b0
13a3caa21
14686dc44
15457a3e3
hex2f719a4

49748388 has 12 divisors (see below), whose sum is σ = 116079600. Its totient is φ = 16582792.

The previous prime is 49748383. The next prime is 49748389. The reversal of 49748388 is 88384794.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 49748388.

It is not an unprimeable number, because it can be changed into a prime (49748383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2072838 + ... + 2072861.

It is an arithmetic number, because the mean of its divisors is an integer number (9673300).

Almost surely, 249748388 is an apocalyptic number.

It is an amenable number.

49748388 is an abundant number, since it is smaller than the sum of its proper divisors (66331212).

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

49748388 is a wasteful number, since it uses less digits than its factorization.

49748388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4145706 (or 4145704 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 51.

The square root of 49748388 is about 7053.2537172570. The cubic root of 49748388 is about 367.7841460190.

The spelling of 49748388 in words is "forty-nine million, seven hundred forty-eight thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 12 4145699 8291398 12437097 16582796 24874194 49748388