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103744542 = 23112967809
BaseRepresentation
bin1100010111100…
…00010000011110
321020012202202110
412023300100132
5203024311132
614143334450
72366546136
oct613602036
9236182673
10103744542
11536198a0
122a8b1426
1318655005
14dac7ac6
1591941cc
hex62f041e

103744542 has 64 divisors (see below), whose sum is σ = 237945600. Its totient is φ = 29863680.

The previous prime is 103744499. The next prime is 103744547. The reversal of 103744542 is 245447301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103744547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127834 + ... + 128642.

It is an arithmetic number, because the mean of its divisors is an integer number (3717900).

Almost surely, 2103744542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103744542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118972800).

103744542 is an abundant number, since it is smaller than the sum of its proper divisors (134201058).

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

103744542 is a wasteful number, since it uses less digits than its factorization.

103744542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921.

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 103744542 is about 10185.5064675253. The cubic root of 103744542 is about 469.8815787361.

The spelling of 103744542 in words is "one hundred three million, seven hundred forty-four thousand, five hundred forty-two".

Divisors: 1 2 3 6 11 22 29 33 58 66 67 87 134 174 201 319 402 638 737 809 957 1474 1618 1914 1943 2211 2427 3886 4422 4854 5829 8899 11658 17798 21373 23461 26697 42746 46922 53394 54203 64119 70383 108406 128238 140766 162609 258071 325218 516142 596233 774213 1192466 1548426 1571887 1788699 3143774 3577398 4715661 9431322 17290757 34581514 51872271 103744542