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49887942 = 2313639589
BaseRepresentation
bin1011111001001…
…1101011000110
310110212120101120
42332103223012
5100232403232
64541134410
71144016616
oct276235306
9113776346
1049887942
1126184605
121485a406
13a4493c0
1468a8a46
1545a692c
hex2f93ac6

49887942 has 16 divisors (see below), whose sum is σ = 107451120. Its totient is φ = 15350112.

The previous prime is 49887923. The next prime is 49887949. The reversal of 49887942 is 24978894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49887949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319717 + ... + 319872.

It is an arithmetic number, because the mean of its divisors is an integer number (6715695).

Almost surely, 249887942 is an apocalyptic number.

49887942 is an abundant number, since it is smaller than the sum of its proper divisors (57563178).

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

49887942 is a wasteful number, since it uses less digits than its factorization.

49887942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639607.

The product of its digits is 1161216, while the sum is 51.

The square root of 49887942 is about 7063.1396701467. The cubic root of 49887942 is about 368.1277272049.

The spelling of 49887942 in words is "forty-nine million, eight hundred eighty-seven thousand, nine hundred forty-two".

Divisors: 1 2 3 6 13 26 39 78 639589 1279178 1918767 3837534 8314657 16629314 24943971 49887942