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77107 = 83929
BaseRepresentation
bin10010110100110011
310220202211
4102310303
54431412
61352551
7440542
oct226463
9126684
1077107
1152a28
1238757
1329134
1420159
1517ca7
hex12d33

77107 has 4 divisors (see below), whose sum is σ = 78120. Its totient is φ = 76096.

The previous prime is 77101. The next prime is 77137. The reversal of 77107 is 70177.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-77107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382 + ... + 547.

It is an arithmetic number, because the mean of its divisors is an integer number (19530).

277107 is an apocalyptic number.

77107 is a deficient number, since it is larger than the sum of its proper divisors (1013).

77107 is an equidigital number, since it uses as much as digits as its factorization.

77107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012.

The product of its (nonzero) digits is 343, while the sum is 22.

The square root of 77107 is about 277.6814721943. The cubic root of 77107 is about 42.5629056918.

The spelling of 77107 in words is "seventy-seven thousand, one hundred seven", and thus it is an iban number.

Divisors: 1 83 929 77107