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142259 = 1331353
BaseRepresentation
bin100010101110110011
321020010212
4202232303
514023014
63014335
71131515
oct425663
9236125
10142259
1197977
126a3ab
134c9a0
1439bb5
152c23e
hex22bb3

142259 has 8 divisors (see below), whose sum is σ = 158592. Its totient is φ = 126720.

The previous prime is 142237. The next prime is 142271. The reversal of 142259 is 952241.

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

It is a cyclic number.

It is not a de Polignac number, because 142259 - 212 = 138163 is a prime.

It is a d-powerful number, because it can be written as 1 + 45 + 210 + 216 + 56 + 95 .

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142259.

It is not an unprimeable number, because it can be changed into a prime (142159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227 + ... + 579.

It is an arithmetic number, because the mean of its divisors is an integer number (19824).

2142259 is an apocalyptic number.

142259 is a deficient number, since it is larger than the sum of its proper divisors (16333).

142259 is a wasteful number, since it uses less digits than its factorization.

142259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397.

The product of its digits is 720, while the sum is 23.

The square root of 142259 is about 377.1723743860. The cubic root of 142259 is about 52.2027342069.

It can be divided in two parts, 14 and 2259, that multiplied together give a triangular number (31626 = T251).

The spelling of 142259 in words is "one hundred forty-two thousand, two hundred fifty-nine".

Divisors: 1 13 31 353 403 4589 10943 142259