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50317312 = 21179311
BaseRepresentation
bin1011111111110…
…0100000000000
310111200101101011
42333330200000
5100340123222
64554250304
71150455463
oct277744000
9114611334
1050317312
1126448161
1214a26994
13a569976
14697b2da
15463dc77
hex2ffc800

50317312 has 48 divisors (see below), whose sum is σ = 102211200. Its totient is φ = 24760320.

The previous prime is 50317279. The next prime is 50317321. The reversal of 50317312 is 21371305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161637 + ... + 161947.

It is an arithmetic number, because the mean of its divisors is an integer number (2129400).

Almost surely, 250317312 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 50317312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51105600).

50317312 is an abundant number, since it is smaller than the sum of its proper divisors (51893888).

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

50317312 is an equidigital number, since it uses as much as digits as its factorization.

50317312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 50317312 is about 7093.4696728752. The cubic root of 50317312 is about 369.1808319929.

Adding to 50317312 its reverse (21371305), we get a palindrome (71688617).

The spelling of 50317312 in words is "fifty million, three hundred seventeen thousand, three hundred twelve".

Divisors: 1 2 4 8 16 32 64 79 128 158 256 311 316 512 622 632 1024 1244 1264 2048 2488 2528 4976 5056 9952 10112 19904 20224 24569 39808 40448 49138 79616 80896 98276 159232 161792 196552 318464 393104 636928 786208 1572416 3144832 6289664 12579328 25158656 50317312