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50309320 = 23510312211
BaseRepresentation
bin1011111111101…
…0100011001000
310111122222102011
42333322203020
5100334344240
64554145304
71150423255
oct277724310
9114588364
1050309320
1126442156
1214a22234
13a566139
14697842c
15463b6ea
hex2ffa8c8

50309320 has 32 divisors (see below), whose sum is σ = 114304320. Its totient is φ = 19926720.

The previous prime is 50309309. The next prime is 50309327. The reversal of 50309320 is 2390305.

It is a super-4 number, since 4×503093204 (a number of 32 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 50309291 and 50309300.

It is not an unprimeable number, because it can be changed into a prime (50309327) 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, 1986 + ... + 10225.

It is an arithmetic number, because the mean of its divisors is an integer number (3572010).

Almost surely, 250309320 is an apocalyptic number.

It is an amenable number.

50309320 is an abundant number, since it is smaller than the sum of its proper divisors (63995000).

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

50309320 is a wasteful number, since it uses less digits than its factorization.

50309320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12325 (or 12321 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 50309320 is about 7092.9063154676. The cubic root of 50309320 is about 369.1612850463.

Adding to 50309320 its reverse (2390305), we get a palindrome (52699625).

The spelling of 50309320 in words is "fifty million, three hundred nine thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 103 206 412 515 824 1030 2060 4120 12211 24422 48844 61055 97688 122110 244220 488440 1257733 2515466 5030932 6288665 10061864 12577330 25154660 50309320