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158244 = 22313187
BaseRepresentation
bin100110101000100100
322001001220
4212220210
520030434
63220340
71226232
oct465044
9261056
10158244
11a8989
12776b0
1357048
1441952
1531d49
hex26a24

158244 has 12 divisors (see below), whose sum is σ = 369264. Its totient is φ = 52744.

The previous prime is 158243. The next prime is 158261. The reversal of 158244 is 442851.

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 158244.

It is not an unprimeable number, because it can be changed into a prime (158243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6582 + ... + 6605.

It is an arithmetic number, because the mean of its divisors is an integer number (30772).

2158244 is an apocalyptic number.

It is an amenable number.

158244 is an abundant number, since it is smaller than the sum of its proper divisors (211020).

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

158244 is a wasteful number, since it uses less digits than its factorization.

158244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13194 (or 13192 counting only the distinct ones).

The product of its digits is 1280, while the sum is 24.

The square root of 158244 is about 397.7989441917. The cubic root of 158244 is about 54.0890164174.

The spelling of 158244 in words is "one hundred fifty-eight thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 13187 26374 39561 52748 79122 158244