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50012320 = 2552411297
BaseRepresentation
bin1011111011001…
…0000010100000
310111002220000011
42332302002200
5100300343240
64543534304
71145045341
oct276620240
9114086004
1050012320
1126259aa6
12148ba394
13a490bb7
1468dc0c8
1545cd6ea
hex2fb20a0

50012320 has 48 divisors (see below), whose sum is σ = 118735848. Its totient is φ = 19906560.

The previous prime is 50012309. The next prime is 50012321. The reversal of 50012320 is 2321005.

It can be written as a sum of positive squares in 4 ways, for example, as 49956624 + 55696 = 7068^2 + 236^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 50012320.

It is not an unprimeable number, because it can be changed into a prime (50012321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37912 + ... + 39208.

Almost surely, 250012320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50012320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59367924).

50012320 is an abundant number, since it is smaller than the sum of its proper divisors (68723528).

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

50012320 is a wasteful number, since it uses less digits than its factorization.

50012320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1553 (or 1545 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 50012320 is about 7071.9389137633. The cubic root of 50012320 is about 368.4334055579.

Adding to 50012320 its reverse (2321005), we get a palindrome (52333325).

The spelling of 50012320 in words is "fifty million, twelve thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 241 482 964 1205 1297 1928 2410 2594 3856 4820 5188 6485 7712 9640 10376 12970 19280 20752 25940 38560 41504 51880 103760 207520 312577 625154 1250308 1562885 2500616 3125770 5001232 6251540 10002464 12503080 25006160 50012320