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49550388 = 2234129199
BaseRepresentation
bin1011110100000…
…1010000110100
310110020102100120
42331001100310
5100141103023
64530011540
71141112526
oct275012064
9113212316
1049550388
1125a73a38
1214716bb0
13a35b874
14681ba16
15453b8e3
hex2f41434

49550388 has 12 divisors (see below), whose sum is σ = 115617600. Its totient is φ = 16516792.

The previous prime is 49550351. The next prime is 49550399. The reversal of 49550388 is 88305594.

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

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2064588 + ... + 2064611.

It is an arithmetic number, because the mean of its divisors is an integer number (9634800).

Almost surely, 249550388 is an apocalyptic number.

It is an amenable number.

49550388 is an abundant number, since it is smaller than the sum of its proper divisors (66067212).

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

49550388 is a wasteful number, since it uses less digits than its factorization.

49550388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4129206 (or 4129204 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 49550388 is about 7039.2036481409. The cubic root of 49550388 is about 367.2955668023.

The spelling of 49550388 in words is "forty-nine million, five hundred fifty thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 12 4129199 8258398 12387597 16516796 24775194 49550388