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78995 = 573761
BaseRepresentation
bin10011010010010011
311000100202
4103102103
510011440
61405415
7446210
oct232223
9130322
1078995
1154394
123986b
1329c57
1420b07
1518615
hex13493

78995 has 16 divisors (see below), whose sum is σ = 113088. Its totient is φ = 51840.

The previous prime is 78989. The next prime is 79031. The reversal of 78995 is 59987.

78995 = T8 + T9 + ... + T77.

It is not a de Polignac number, because 78995 - 24 = 78979 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1265 + ... + 1325.

It is an arithmetic number, because the mean of its divisors is an integer number (7068).

278995 is an apocalyptic number.

78995 is a deficient number, since it is larger than the sum of its proper divisors (34093).

78995 is a wasteful number, since it uses less digits than its factorization.

78995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110.

The product of its digits is 22680, while the sum is 38.

The square root of 78995 is about 281.0604917095. The cubic root of 78995 is about 42.9074990106.

The spelling of 78995 in words is "seventy-eight thousand, nine hundred ninety-five".

Divisors: 1 5 7 35 37 61 185 259 305 427 1295 2135 2257 11285 15799 78995