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104105442 = 2372818821
BaseRepresentation
bin1100011010010…
…00010111100010
321020220002211010
412031020113202
5203122333232
614155201350
72402611260
oct615102742
9236802733
10104105442
1153845a61
122aa46256
131875036c
14db7d430
1592160cc
hex63485e2

104105442 has 32 divisors (see below), whose sum is σ = 238829184. Its totient is φ = 29635200.

The previous prime is 104105401. The next prime is 104105497. The reversal of 104105442 is 244501401.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 7392 + ... + 16212.

It is an arithmetic number, because the mean of its divisors is an integer number (7463412).

Almost surely, 2104105442 is an apocalyptic number.

104105442 is an abundant number, since it is smaller than the sum of its proper divisors (134723742).

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

104105442 is a wasteful number, since it uses less digits than its factorization.

104105442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9114.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 104105442 is about 10203.2074368798. The cubic root of 104105442 is about 470.4258129866.

Adding to 104105442 its reverse (244501401), we get a palindrome (348606843).

The spelling of 104105442 in words is "one hundred four million, one hundred five thousand, four hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 281 562 843 1686 1967 3934 5901 8821 11802 17642 26463 52926 61747 123494 185241 370482 2478701 4957402 7436103 14872206 17350907 34701814 52052721 104105442