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146979 = 3272333
BaseRepresentation
bin100011111000100011
321110121200
4203320203
514200404
63052243
71151340
oct437043
9243550
10146979
11a0478
1271083
1351b91
143b7c7
152d839
hex23e23

146979 has 12 divisors (see below), whose sum is σ = 242736. Its totient is φ = 83952.

The previous prime is 146977. The next prime is 146983. The reversal of 146979 is 979641.

146979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 146979 - 21 = 146977 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 146979.

It is not an unprimeable number, because it can be changed into a prime (146977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1104 + ... + 1229.

It is an arithmetic number, because the mean of its divisors is an integer number (20228).

146979 is a Friedman number, since it can be written as 9*(4^7-9*6+1), using all its digits and the basic arithmetic operations.

2146979 is an apocalyptic number.

146979 is a deficient number, since it is larger than the sum of its proper divisors (95757).

146979 is a wasteful number, since it uses less digits than its factorization.

146979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2346 (or 2343 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 146979 is about 383.3784031476. The cubic root of 146979 is about 52.7738076012.

It can be divided in two parts, 14697 and 9, that added together give a triangular number (14706 = T171).

The spelling of 146979 in words is "one hundred forty-six thousand, nine hundred seventy-nine".

Divisors: 1 3 7 9 21 63 2333 6999 16331 20997 48993 146979