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49868620 = 22514591709
BaseRepresentation
bin1011111000111…
…0111101001100
310110211120212221
42332032331030
5100231243440
64540505124
71143606364
oct276167514
9113746787
1049868620
112617103a
121484b1a4
13a440679
1468a19a4
1545a0d4a
hex2f8ef4c

49868620 has 24 divisors (see below), whose sum is σ = 104857200. Its totient is φ = 19922112.

The previous prime is 49868617. The next prime is 49868639. The reversal of 49868620 is 2686894.

It is a happy number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

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, 28326 + ... + 30034.

It is an arithmetic number, because the mean of its divisors is an integer number (4369050).

Almost surely, 249868620 is an apocalyptic number.

It is an amenable number.

49868620 is an abundant number, since it is smaller than the sum of its proper divisors (54988580).

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

49868620 is a wasteful number, since it uses less digits than its factorization.

49868620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3177 (or 3175 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 49868620 is about 7061.7717323629. The cubic root of 49868620 is about 368.0801947942.

The spelling of 49868620 in words is "forty-nine million, eight hundred sixty-eight thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 1459 1709 2918 3418 5836 6836 7295 8545 14590 17090 29180 34180 2493431 4986862 9973724 12467155 24934310 49868620