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103531142 = 211132315739
BaseRepresentation
bin1100010101111…
…00001010000110
321012210221000202
412022330022012
5203000444032
614135010502
72365000031
oct612741206
9235727022
10103531142
1153493530
122a809a32
13185abb40
14da70018
159150d62
hex62bc286

103531142 has 32 divisors (see below), whose sum is σ = 190391040. Its totient is φ = 41548320.

The previous prime is 103531123. The next prime is 103531151. The reversal of 103531142 is 241135301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1292 + ... + 14447.

It is an arithmetic number, because the mean of its divisors is an integer number (5949720).

Almost surely, 2103531142 is an apocalyptic number.

103531142 is a deficient number, since it is larger than the sum of its proper divisors (86859898).

103531142 is a wasteful number, since it uses less digits than its factorization.

103531142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15788.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 103531142 is about 10175.0254053737. The cubic root of 103531142 is about 469.5591792520.

Adding to 103531142 its reverse (241135301), we get a palindrome (344666443).

The spelling of 103531142 in words is "one hundred three million, five hundred thirty-one thousand, one hundred forty-two".

Divisors: 1 2 11 13 22 23 26 46 143 253 286 299 506 598 3289 6578 15739 31478 173129 204607 346258 361997 409214 723994 2250677 3981967 4501354 4705961 7963934 9411922 51765571 103531142