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50968720 = 24511173407
BaseRepresentation
bin1100001001101…
…1100010010000
310112220110221101
43002123202100
5101021444340
65020234144
71156140565
oct302334220
9115813841
1050968720
1126852610
121509b954
13a73730a
146aaa86c
15471bc9a
hex309b890

50968720 has 80 divisors (see below), whose sum is σ = 136919808. Its totient is φ = 17438720.

The previous prime is 50968663. The next prime is 50968751. The reversal of 50968720 is 2786905.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 50968720.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13257 + ... + 16663.

Almost surely, 250968720 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 50968720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68459904).

50968720 is an abundant number, since it is smaller than the sum of its proper divisors (85951088).

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

50968720 is a wasteful number, since it uses less digits than its factorization.

50968720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3448 (or 3442 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 50968720 is about 7139.2380545826. The cubic root of 50968720 is about 370.7671446346.

The spelling of 50968720 in words is "fifty million, nine hundred sixty-eight thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 17 20 22 34 40 44 55 68 80 85 88 110 136 170 176 187 220 272 340 374 440 680 748 880 935 1360 1496 1870 2992 3407 3740 6814 7480 13628 14960 17035 27256 34070 37477 54512 57919 68140 74954 115838 136280 149908 187385 231676 272560 289595 299816 374770 463352 579190 599632 637109 749540 926704 1158380 1274218 1499080 2316760 2548436 2998160 3185545 4633520 5096872 6371090 10193744 12742180 25484360 50968720