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168147 = 32717157
BaseRepresentation
bin101001000011010011
322112122200
4221003103
520340042
63334243
71300140
oct510323
9275580
10168147
11105371
1281383
135b6c5
14453c7
1534c4c
hex290d3

168147 has 24 divisors (see below), whose sum is σ = 295776. Its totient is φ = 89856.

The previous prime is 168143. The next prime is 168151. The reversal of 168147 is 741861.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (168143) and next prime (168151).

It is not a de Polignac number, because 168147 - 22 = 168143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 168147.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 168147.

It is not an unprimeable number, because it can be changed into a prime (168143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 993 + ... + 1149.

It is an arithmetic number, because the mean of its divisors is an integer number (12324).

2168147 is an apocalyptic number.

168147 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

168147 is a deficient number, since it is larger than the sum of its proper divisors (127629).

168147 is a wasteful number, since it uses less digits than its factorization.

168147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 184 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 168147 is about 410.0573130673. The cubic root of 168147 is about 55.1945725603.

It can be divided in two parts, 1681 and 47, that added together give a cube (1728 = 123).

The spelling of 168147 in words is "one hundred sixty-eight thousand, one hundred forty-seven".

Divisors: 1 3 7 9 17 21 51 63 119 153 157 357 471 1071 1099 1413 2669 3297 8007 9891 18683 24021 56049 168147