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138354 = 2323059
BaseRepresentation
bin100001110001110010
321000210020
4201301302
513411404
62544310
71114236
oct416162
9230706
10138354
1194a47
1268096
134ac88
14385c6
152aed9
hex21c72

138354 has 8 divisors (see below), whose sum is σ = 276720. Its totient is φ = 46116.

The previous prime is 138349. The next prime is 138371. The reversal of 138354 is 453831.

It is a sphenic number, since it is the product of 3 distinct primes.

138354 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11524 + ... + 11535.

It is an arithmetic number, because the mean of its divisors is an integer number (34590).

2138354 is an apocalyptic number.

138354 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

138354 is a wasteful number, since it uses less digits than its factorization.

138354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23064.

The product of its digits is 1440, while the sum is 24.

The square root of 138354 is about 371.9596752338. The cubic root of 138354 is about 51.7206419400.

The spelling of 138354 in words is "one hundred thirty-eight thousand, three hundred fifty-four".

Divisors: 1 2 3 6 23059 46118 69177 138354