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42610380 = 22356771049
BaseRepresentation
bin1010001010001…
…0111011001100
32222011211110020
42202202323030
541402013010
64121142140
71025116341
oct242427314
988154406
1042610380
112206389a
121232a950
138a9ba57
1459327c8
153b1a470
hex28a2ecc

42610380 has 48 divisors (see below), whose sum is σ = 119599200. Its totient is φ = 11335168.

The previous prime is 42610363. The next prime is 42610387. The reversal of 42610380 is 8301624.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 42610380.

It is not an unprimeable number, because it can be changed into a prime (42610387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40096 + ... + 41144.

It is an arithmetic number, because the mean of its divisors is an integer number (2491650).

Almost surely, 242610380 is an apocalyptic number.

It is an amenable number.

42610380 is an abundant number, since it is smaller than the sum of its proper divisors (76988820).

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

42610380 is a wasteful number, since it uses less digits than its factorization.

42610380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738 (or 1736 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 42610380 is about 6527.6626751081. The cubic root of 42610380 is about 349.2784591111.

The spelling of 42610380 in words is "forty-two million, six hundred ten thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 677 1049 1354 2031 2098 2708 3147 3385 4062 4196 5245 6294 6770 8124 10155 10490 12588 13540 15735 20310 20980 31470 40620 62940 710173 1420346 2130519 2840692 3550865 4261038 7101730 8522076 10652595 14203460 21305190 42610380