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50979964 = 22719791213
BaseRepresentation
bin1100001001111…
…0010001111100
310112221001100211
43002132101330
5101022324324
65020402204
71156215430
oct302362174
9115831324
1050979964
1126860002
12150a6364
13a73c479
146ab09c0
154720294
hex309e47c

50979964 has 48 divisors (see below), whose sum is σ = 108774400. Its totient is φ = 20419776.

The previous prime is 50979947. The next prime is 50979967. The reversal of 50979964 is 46997905.

50979964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50979967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41422 + ... + 42634.

Almost surely, 250979964 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 50979964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54387200).

50979964 is an abundant number, since it is smaller than the sum of its proper divisors (57794436).

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

50979964 is a wasteful number, since it uses less digits than its factorization.

50979964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322 (or 1320 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 49.

The square root of 50979964 is about 7140.0254901506. The cubic root of 50979964 is about 370.7944071023.

The spelling of 50979964 in words is "fifty million, nine hundred seventy-nine thousand, nine hundred sixty-four".

Divisors: 1 2 4 7 14 19 28 38 76 79 133 158 266 316 532 553 1106 1213 1501 2212 2426 3002 4852 6004 8491 10507 16982 21014 23047 33964 42028 46094 92188 95827 161329 191654 322658 383308 645316 670789 1341578 1820713 2683156 3641426 7282852 12744991 25489982 50979964