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77293084 = 221117103333
BaseRepresentation
bin1001001101101…
…10011000011100
312101102220011211
410212312120130
5124241334314
611400354204
71625660161
oct446663034
9171386154
1077293084
113a6a2490
1221a75964
131302326b
14a3a0068
156bbb9c4
hex49b661c

77293084 has 24 divisors (see below), whose sum is σ = 156241008. Its totient is φ = 33066240.

The previous prime is 77293081. The next prime is 77293123. The reversal of 77293084 is 48039277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77293081) 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 7 ways as a sum of consecutive naturals, for example, 50919 + ... + 52414.

It is an arithmetic number, because the mean of its divisors is an integer number (6510042).

Almost surely, 277293084 is an apocalyptic number.

It is an amenable number.

77293084 is an abundant number, since it is smaller than the sum of its proper divisors (78947924).

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

77293084 is a wasteful number, since it uses less digits than its factorization.

77293084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103365 (or 103363 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 77293084 is about 8791.6485371061. The cubic root of 77293084 is about 425.9711751383.

The spelling of 77293084 in words is "seventy-seven million, two hundred ninety-three thousand, eighty-four".

Divisors: 1 2 4 11 17 22 34 44 68 187 374 748 103333 206666 413332 1136663 1756661 2273326 3513322 4546652 7026644 19323271 38646542 77293084