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42445160 = 2351061129
BaseRepresentation
bin1010000111101…
…0100101101000
32221212102210222
42201322211220
541331221120
64113425212
71023530552
oct241724550
987772728
1042445160
1121a6074a
121226b208
138a417a4
1458cc4d2
153ad6525
hex287a968

42445160 has 16 divisors (see below), whose sum is σ = 95501700. Its totient is φ = 16978048.

The previous prime is 42445157. The next prime is 42445177. The reversal of 42445160 is 6154424.

It can be written as a sum of positive squares in 2 ways, for example, as 39967684 + 2477476 = 6322^2 + 1574^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 530525 + ... + 530604.

Almost surely, 242445160 is an apocalyptic number.

42445160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42445160 is an abundant number, since it is smaller than the sum of its proper divisors (53056540).

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

42445160 is a wasteful number, since it uses less digits than its factorization.

42445160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061140 (or 1061136 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 42445160 is about 6514.9950115100. The cubic root of 42445160 is about 348.8264367430.

Adding to 42445160 its reverse (6154424), we get a palindrome (48599584).

The spelling of 42445160 in words is "forty-two million, four hundred forty-five thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 1061129 2122258 4244516 5305645 8489032 10611290 21222580 42445160