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50881116 = 2231113149199
BaseRepresentation
bin1100001000011…
…0001001011100
310112202000202210
43002012021130
5101011143431
65014320420
71155324306
oct302061134
9115660683
1050881116
11267a2810
1215059110
13a706490
146a86976
154700d46
hex308625c

50881116 has 96 divisors (see below), whose sum is σ = 141120000. Its totient is φ = 14065920.

The previous prime is 50881097. The next prime is 50881133. The reversal of 50881116 is 61118805.

50881116 = T429 + T430 + ... + T726.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 255585 + ... + 255783.

It is an arithmetic number, because the mean of its divisors is an integer number (1470000).

Almost surely, 250881116 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 50881116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70560000).

50881116 is an abundant number, since it is smaller than the sum of its proper divisors (90238884).

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

50881116 is a wasteful number, since it uses less digits than its factorization.

50881116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 30.

The square root of 50881116 is about 7133.1000273373. The cubic root of 50881116 is about 370.5546004717.

The spelling of 50881116 in words is "fifty million, eight hundred eighty-one thousand, one hundred sixteen".

Divisors: 1 2 3 4 6 11 12 13 22 26 33 39 44 52 66 78 132 143 149 156 199 286 298 398 429 447 572 596 597 796 858 894 1194 1639 1716 1788 1937 2189 2388 2587 3278 3874 4378 4917 5174 5811 6556 6567 7748 7761 8756 9834 10348 11622 13134 15522 19668 21307 23244 26268 28457 29651 31044 42614 56914 59302 63921 85228 85371 88953 113828 118604 127842 170742 177906 255684 326161 341484 355812 385463 652322 770926 978483 1156389 1304644 1541852 1956966 2312778 3913932 4240093 4625556 8480186 12720279 16960372 25440558 50881116