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147372 = 22312281
BaseRepresentation
bin100011111110101100
321111011020
4203332230
514203442
63054140
71152441
oct437654
9244136
10147372
11a07a5
1271350
1352104
143b9c8
152d9ec
hex23fac

147372 has 12 divisors (see below), whose sum is σ = 343896. Its totient is φ = 49120.

The previous prime is 147353. The next prime is 147377. The reversal of 147372 is 273741.

It is a tau number, because it is divible by the number of its divisors (12).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 147372.

It is not an unprimeable number, because it can be changed into a prime (147377) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6129 + ... + 6152.

It is an arithmetic number, because the mean of its divisors is an integer number (28658).

2147372 is an apocalyptic number.

147372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

147372 is an abundant number, since it is smaller than the sum of its proper divisors (196524).

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

147372 is a wasteful number, since it uses less digits than its factorization.

147372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12288 (or 12286 counting only the distinct ones).

The product of its digits is 1176, while the sum is 24.

The square root of 147372 is about 383.8906094189. The cubic root of 147372 is about 52.8208021798.

The spelling of 147372 in words is "one hundred forty-seven thousand, three hundred seventy-two", and thus it is an iban number.

Divisors: 1 2 3 4 6 12 12281 24562 36843 49124 73686 147372