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77949104 = 244871819
BaseRepresentation
bin1001010010101…
…10100010110000
312102200020001212
410221112202300
5124423332404
611422415252
71634361602
oct451264260
9172606055
1077949104
1140000352
1222131528
13131c2a3c
14a4d1172
156c9b06e
hex4a568b0

77949104 has 10 divisors (see below), whose sum is σ = 151026420. Its totient is φ = 38974544.

The previous prime is 77949101. The next prime is 77949143. The reversal of 77949104 is 40194977.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (77949101) 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 as a sum of consecutive naturals, namely, 2435894 + ... + 2435925.

It is an arithmetic number, because the mean of its divisors is an integer number (15102642).

Almost surely, 277949104 is an apocalyptic number.

It is an amenable number.

77949104 is a deficient number, since it is larger than the sum of its proper divisors (73077316).

77949104 is a wasteful number, since it uses less digits than its factorization.

77949104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4871827 (or 4871821 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 77949104 is about 8828.8789775373. The cubic root of 77949104 is about 427.1729157971.

The spelling of 77949104 in words is "seventy-seven million, nine hundred forty-nine thousand, one hundred four".

Divisors: 1 2 4 8 16 4871819 9743638 19487276 38974552 77949104