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50971968 = 263288493
BaseRepresentation
bin1100001001110…
…0010101000000
310112220122101200
43002130111000
5101022100333
65020301200
71156153215
oct302342500
9115818350
1050971968
1126854aa3
12150a1800
13a738938
146aabb0c
15471cc13
hex309c540

50971968 has 42 divisors (see below), whose sum is σ = 146103594. Its totient is φ = 16990464.

The previous prime is 50971961. The next prime is 50972011. The reversal of 50971968 is 86917905.

It can be written as a sum of positive squares in only one way, i.e., 33732864 + 17239104 = 5808^2 + 4152^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50971961) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43671 + ... + 44822.

It is an arithmetic number, because the mean of its divisors is an integer number (3478657).

Almost surely, 250971968 is an apocalyptic number.

It is an amenable number.

50971968 is an abundant number, since it is smaller than the sum of its proper divisors (95131626).

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

50971968 is a wasteful number, since it uses less digits than its factorization.

50971968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88511 (or 88498 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 50971968 is about 7139.4655262141. The cubic root of 50971968 is about 370.7750202238.

The spelling of 50971968 in words is "fifty million, nine hundred seventy-one thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 144 192 288 576 88493 176986 265479 353972 530958 707944 796437 1061916 1415888 1592874 2123832 2831776 3185748 4247664 5663552 6371496 8495328 12742992 16990656 25485984 50971968