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50115080 = 2351252877
BaseRepresentation
bin1011111100101…
…1001000001000
310111022002222002
42333023020020
5100312140310
64550050132
71145654051
oct277131010
9114262862
1050115080
112631a224
1214949948
13a4c88c2
146927728
1545edda5
hex2fcb208

50115080 has 16 divisors (see below), whose sum is σ = 112759020. Its totient is φ = 20046016.

The previous prime is 50115073. The next prime is 50115083. The reversal of 50115080 is 8051105.

It can be written as a sum of positive squares in 2 ways, for example, as 47637604 + 2477476 = 6902^2 + 1574^2 .

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 (50115083) 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, 626399 + ... + 626478.

Almost surely, 250115080 is an apocalyptic number.

It is an amenable number.

50115080 is an abundant number, since it is smaller than the sum of its proper divisors (62643940).

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

50115080 is a wasteful number, since it uses less digits than its factorization.

50115080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252888 (or 1252884 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 50115080 is about 7079.2005198327. The cubic root of 50115080 is about 368.6855721969.

Adding to 50115080 its reverse (8051105), we get a palindrome (58166185).

The spelling of 50115080 in words is "fifty million, one hundred fifteen thousand, eighty".

Divisors: 1 2 4 5 8 10 20 40 1252877 2505754 5011508 6264385 10023016 12528770 25057540 50115080