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77468950 = 25213119183
BaseRepresentation
bin1001001111000…
…01010100010110
312101202211102101
410213201110112
5124313001300
611404232314
71630321666
oct447412426
9171684371
1077468950
113a802629
1221b3b69a
1313085320
14a4081a6
156c03b6a
hex49e1516

77468950 has 24 divisors (see below), whose sum is σ = 155177568. Its totient is φ = 28603680.

The previous prime is 77468869. The next prime is 77468957. The reversal of 77468950 is 5986477.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 77468950.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77468957) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58942 + ... + 60241.

It is an arithmetic number, because the mean of its divisors is an integer number (6465732).

Almost surely, 277468950 is an apocalyptic number.

77468950 is an abundant number, since it is smaller than the sum of its proper divisors (77708618).

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

77468950 is a wasteful number, since it uses less digits than its factorization.

77468950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119208 (or 119203 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 77468950 is about 8801.6447326622. The cubic root of 77468950 is about 426.2940030767.

The spelling of 77468950 in words is "seventy-seven million, four hundred sixty-eight thousand, nine hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 325 650 119183 238366 595915 1191830 1549379 2979575 3098758 5959150 7746895 15493790 38734475 77468950