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7799142 = 231399989
BaseRepresentation
bin11101110000000101100110
3112200020102010
4131300011212
53444033032
6435055050
7123202011
oct35600546
915606363
107799142
11444767a
122741486
131800ba0
141070378
15a40ccc
hex770166

7799142 has 16 divisors (see below), whose sum is σ = 16798320. Its totient is φ = 2399712.

The previous prime is 7799131. The next prime is 7799153. The reversal of 7799142 is 2419977.

It is an interprime number because it is at equal distance from previous prime (7799131) and next prime (7799153).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 7799142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49917 + ... + 50072.

It is an arithmetic number, because the mean of its divisors is an integer number (1049895).

Almost surely, 27799142 is an apocalyptic number.

7799142 is an abundant number, since it is smaller than the sum of its proper divisors (8999178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7799142 is a wasteful number, since it uses less digits than its factorization.

7799142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100007.

The product of its digits is 31752, while the sum is 39.

The square root of 7799142 is about 2792.6943978889. The cubic root of 7799142 is about 198.3119762957.

The spelling of 7799142 in words is "seven million, seven hundred ninety-nine thousand, one hundred forty-two".

Divisors: 1 2 3 6 13 26 39 78 99989 199978 299967 599934 1299857 2599714 3899571 7799142