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77240514 = 23132934147
BaseRepresentation
bin1001001101010…
…01100011000010
312101100020001210
410212221203002
5124233144024
611355310550
71625351001
oct446514302
9171306053
1077240514
113a666a3a
1221a4b456
1313005360
14a388c38
156bab129
hex49a98c2

77240514 has 32 divisors (see below), whose sum is σ = 172105920. Its totient is φ = 22946112.

The previous prime is 77240507. The next prime is 77240531. The reversal of 77240514 is 41504277.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14812 + ... + 19335.

It is an arithmetic number, because the mean of its divisors is an integer number (5378310).

Almost surely, 277240514 is an apocalyptic number.

77240514 is an abundant number, since it is smaller than the sum of its proper divisors (94865406).

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

77240514 is a wasteful number, since it uses less digits than its factorization.

77240514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34194.

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 77240514 is about 8788.6582593704. The cubic root of 77240514 is about 425.8745801076.

The spelling of 77240514 in words is "seventy-seven million, two hundred forty thousand, five hundred fourteen".

Divisors: 1 2 3 6 13 26 29 39 58 78 87 174 377 754 1131 2262 34147 68294 102441 204882 443911 887822 990263 1331733 1980526 2663466 2970789 5941578 12873419 25746838 38620257 77240514