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139682 = 2211331
BaseRepresentation
bin100010000110100010
321002121102
4202012202
513432212
62554402
71121144
oct420642
9232542
10139682
1195a44
1268a02
134b76a
1438c94
152b5c2
hex221a2

139682 has 8 divisors (see below), whose sum is σ = 211152. Its totient is φ = 69300.

The previous prime is 139681. The next prime is 139697. The reversal of 139682 is 286931.

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

It is a super-2 number, since 2×1396822 = 39022122248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (139681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257 + ... + 587.

It is an arithmetic number, because the mean of its divisors is an integer number (26394).

2139682 is an apocalyptic number.

139682 is a deficient number, since it is larger than the sum of its proper divisors (71470).

139682 is a wasteful number, since it uses less digits than its factorization.

139682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544.

The product of its digits is 2592, while the sum is 29.

The square root of 139682 is about 373.7405517200. The cubic root of 139682 is about 51.8855966159.

The spelling of 139682 in words is "one hundred thirty-nine thousand, six hundred eighty-two".

Divisors: 1 2 211 331 422 662 69841 139682