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50155040 = 2551324113
BaseRepresentation
bin1011111101010…
…0111000100000
310111101010210002
42333110320200
5100314430130
64550555132
71146211415
oct277247040
9114333702
1050155040
1126347251
1214968aa8
13a510b50
14693810c
15460ab45
hex2fd4e20

50155040 has 48 divisors (see below), whose sum is σ = 127611288. Its totient is φ = 18518016.

The previous prime is 50155037. The next prime is 50155043. The reversal of 50155040 is 4055105.

50155040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (50155037) and next prime (50155043).

It can be written as a sum of positive squares in 4 ways, for example, as 35378704 + 14776336 = 5948^2 + 3844^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (50155043) 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 7 ways as a sum of consecutive naturals, for example, 9977 + ... + 14136.

Almost surely, 250155040 is an apocalyptic number.

It is an amenable number.

50155040 is an abundant number, since it is smaller than the sum of its proper divisors (77456248).

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

50155040 is a wasteful number, since it uses less digits than its factorization.

50155040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24141 (or 24133 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 50155040 is about 7082.0223100468. The cubic root of 50155040 is about 368.7835384606.

The spelling of 50155040 in words is "fifty million, one hundred fifty-five thousand, forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 52 65 80 104 130 160 208 260 416 520 1040 2080 24113 48226 96452 120565 192904 241130 313469 385808 482260 626938 771616 964520 1253876 1567345 1929040 2507752 3134690 3858080 5015504 6269380 10031008 12538760 25077520 50155040