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78106795 = 5131201643
BaseRepresentation
bin1001010011111…
…01000010101011
312102222020101021
410221331002223
5124443404140
611430033311
71635616414
oct451750253
9172866337
1078106795
11400a8878
12221a8837
1313249750
14a53280b
156cccb4a
hex4a7d0ab

78106795 has 8 divisors (see below), whose sum is σ = 100938096. Its totient is φ = 57678816.

The previous prime is 78106793. The next prime is 78106799. The reversal of 78106795 is 59760187.

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

It is not a de Polignac number, because 78106795 - 21 = 78106793 is a prime.

It is a super-2 number, since 2×781067952 = 12201342850344050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78106793) 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, 600757 + ... + 600886.

It is an arithmetic number, because the mean of its divisors is an integer number (12617262).

Almost surely, 278106795 is an apocalyptic number.

78106795 is a deficient number, since it is larger than the sum of its proper divisors (22831301).

78106795 is a wasteful number, since it uses less digits than its factorization.

78106795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201661.

The product of its (nonzero) digits is 105840, while the sum is 43.

The square root of 78106795 is about 8837.8048745149. The cubic root of 78106795 is about 427.4607786367.

The spelling of 78106795 in words is "seventy-eight million, one hundred six thousand, seven hundred ninety-five".

Divisors: 1 5 13 65 1201643 6008215 15621359 78106795