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42986574 = 23217592381
BaseRepresentation
bin1010001111111…
…0110001001110
32222212221111100
42203332301032
542001032244
64133203530
71031244201
oct243766116
988787440
1042986574
11222a04a4
12124905a6
138ba1057
1459cd938
153b91b69
hex28fec4e

42986574 has 48 divisors (see below), whose sum is σ = 100329840. Its totient is φ = 13251840.

The previous prime is 42986549. The next prime is 42986599. The reversal of 42986574 is 47568924.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42986549) and next prime (42986599).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16864 + ... + 19244.

It is an arithmetic number, because the mean of its divisors is an integer number (2090205).

Almost surely, 242986574 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42986574, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50164920).

42986574 is an abundant number, since it is smaller than the sum of its proper divisors (57343266).

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

42986574 is a wasteful number, since it uses less digits than its factorization.

42986574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2465 (or 2462 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 42986574 is about 6556.4147214770. The cubic root of 42986574 is about 350.3033397451.

The spelling of 42986574 in words is "forty-two million, nine hundred eighty-six thousand, five hundred seventy-four".

Divisors: 1 2 3 6 9 17 18 34 51 59 102 118 153 177 306 354 531 1003 1062 2006 2381 3009 4762 6018 7143 9027 14286 18054 21429 40477 42858 80954 121431 140479 242862 280958 364293 421437 728586 842874 1264311 2388143 2528622 4776286 7164429 14328858 21493287 42986574