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50506404 = 22313323759
BaseRepresentation
bin1100000010101…
…0101010100100
310112000222202120
43000222222210
5100412201104
65002305540
71152203664
oct300525244
9115028676
1050506404
1126567233
1214ab82b0
13a604a60
1469ca1a4
154679cd9
hex302aaa4

50506404 has 24 divisors (see below), whose sum is σ = 126913920. Its totient is φ = 15540384.

The previous prime is 50506397. The next prime is 50506441. The reversal of 50506404 is 40460505.

It is a super-2 number, since 2×505064042 = 5101793690022432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161724 + ... + 162035.

It is an arithmetic number, because the mean of its divisors is an integer number (5288080).

Almost surely, 250506404 is an apocalyptic number.

It is an amenable number.

50506404 is an abundant number, since it is smaller than the sum of its proper divisors (76407516).

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

50506404 is a wasteful number, since it uses less digits than its factorization.

50506404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323779 (or 323777 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 50506404 is about 7106.7857713597. The cubic root of 50506404 is about 369.6427132941.

Adding to 50506404 its reverse (40460505), we get a palindrome (90966909).

The spelling of 50506404 in words is "fifty million, five hundred six thousand, four hundred four".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 323759 647518 971277 1295036 1942554 3885108 4208867 8417734 12626601 16835468 25253202 50506404