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77814082 = 21913714947
BaseRepresentation
bin1001010001101…
…01100101000010
312102102100212001
410220311211002
5124410022312
611415454214
71633260133
oct450654502
9172370761
1077814082
113aa18965
122208736a
1313176448
14a497c8a
156c71057
hex4a35942

77814082 has 16 divisors (see below), whose sum is σ = 123769440. Its totient is φ = 36587808.

The previous prime is 77814059. The next prime is 77814089. The reversal of 77814082 is 28041877.

It is not an unprimeable number, because it can be changed into a prime (77814089) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2268 + ... + 12679.

It is an arithmetic number, because the mean of its divisors is an integer number (7735590).

Almost surely, 277814082 is an apocalyptic number.

77814082 is a deficient number, since it is larger than the sum of its proper divisors (45955358).

77814082 is a wasteful number, since it uses less digits than its factorization.

77814082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15105.

The product of its (nonzero) digits is 25088, while the sum is 37.

The square root of 77814082 is about 8821.2290526887. The cubic root of 77814082 is about 426.9261262325.

The spelling of 77814082 in words is "seventy-seven million, eight hundred fourteen thousand, eighty-two".

Divisors: 1 2 19 38 137 274 2603 5206 14947 29894 283993 567986 2047739 4095478 38907041 77814082