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79692085 = 5111448947
BaseRepresentation
bin1001100000000…
…00000100110101
312112221202222201
410300000010311
5130400121320
611524024501
71655241304
oct460000465
9175852881
1079692085
1140a90930
1222832131
13136831a5
14a82643b
156ee270a
hex4c00135

79692085 has 8 divisors (see below), whose sum is σ = 104324256. Its totient is φ = 57957840.

The previous prime is 79692083. The next prime is 79692091. The reversal of 79692085 is 58029697.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 79692085 - 21 = 79692083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79692083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 724419 + ... + 724528.

It is an arithmetic number, because the mean of its divisors is an integer number (13040532).

Almost surely, 279692085 is an apocalyptic number.

It is an amenable number.

79692085 is a deficient number, since it is larger than the sum of its proper divisors (24632171).

79692085 is a wasteful number, since it uses less digits than its factorization.

79692085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448963.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 79692085 is about 8927.0423433520. The cubic root of 79692085 is about 430.3334082660. Note that the first 3 decimals are identical.

The spelling of 79692085 in words is "seventy-nine million, six hundred ninety-two thousand, eighty-five".

Divisors: 1 5 11 55 1448947 7244735 15938417 79692085