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50115620 = 22523108947
BaseRepresentation
bin1011111100101…
…1010000100100
310111022010201002
42333023100210
5100312144440
64550052432
71145655452
oct277132044
9114263632
1050115620
112631a675
121494a118
13a4c8c19
1469279d2
1545ee115
hex2fcb424

50115620 has 24 divisors (see below), whose sum is σ = 109819584. Its totient is φ = 19174496.

The previous prime is 50115619. The next prime is 50115629. The reversal of 50115620 is 2651105.

50115620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 50115592 and 50115601.

It is not an unprimeable number, because it can be changed into a prime (50115629) 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, 54014 + ... + 54933.

It is an arithmetic number, because the mean of its divisors is an integer number (4575816).

Almost surely, 250115620 is an apocalyptic number.

It is an amenable number.

50115620 is an abundant number, since it is smaller than the sum of its proper divisors (59703964).

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

50115620 is a wasteful number, since it uses less digits than its factorization.

50115620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108979 (or 108977 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 50115620 is about 7079.2386596300. The cubic root of 50115620 is about 368.6868964124.

Adding to 50115620 its reverse (2651105), we get a palindrome (52766725).

The spelling of 50115620 in words is "fifty million, one hundred fifteen thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 108947 217894 435788 544735 1089470 2178940 2505781 5011562 10023124 12528905 25057810 50115620