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79800995 = 515960199
BaseRepresentation
bin1001100000110…
…10101010100011
312120011022101102
410300122222203
5130412112440
611530225015
71656203651
oct460325243
9176138342
1079800995
114105573a
122288516b
13136c0931
14a853dd1
157014b15
hex4c1aaa3

79800995 has 4 divisors (see below), whose sum is σ = 95761200. Its totient is φ = 63840792.

The previous prime is 79800989. The next prime is 79801003. The reversal of 79800995 is 59900897.

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

It is a cyclic number.

It is not a de Polignac number, because 79800995 - 24 = 79800979 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7980095 + ... + 7980104.

It is an arithmetic number, because the mean of its divisors is an integer number (23940300).

Almost surely, 279800995 is an apocalyptic number.

79800995 is a deficient number, since it is larger than the sum of its proper divisors (15960205).

79800995 is a wasteful number, since it uses less digits than its factorization.

79800995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15960204.

The product of its (nonzero) digits is 204120, while the sum is 47.

The square root of 79800995 is about 8933.1402653266. The cubic root of 79800995 is about 430.5293552762.

The spelling of 79800995 in words is "seventy-nine million, eight hundred thousand, nine hundred ninety-five".

Divisors: 1 5 15960199 79800995