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45242140804 = 2272151932
BaseRepresentation
bin101010001000101001…
…000100100010000100
311022210000001212210121
4222020221010202010
51220123442001204
632441200031324
73161066565100
oct521051044204
9138700055717
1045242140804
1118207011013
128927602544
134360131523
1422928a0900
15129bd1db54
hexa88a44884

45242140804 has 27 divisors (see below), whose sum is σ = 92106134757. Its totient is φ = 19388212704.

The previous prime is 45242140771. The next prime is 45242140913. The reversal of 45242140804 is 40804124254.

The square root of 45242140804 is 212702.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 44483028100 + 759112704 = 210910^2 + 27552^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 45242140804.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2970232 + ... + 2985424.

Almost surely, 245242140804 is an apocalyptic number.

45242140804 is the 212702-nd square number.

It is an amenable number.

45242140804 is an abundant number, since it is smaller than the sum of its proper divisors (46863993953).

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

45242140804 is an frugal number, since it uses more digits than its factorization.

45242140804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30404 (or 15202 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 34.

The spelling of 45242140804 in words is "forty-five billion, two hundred forty-two million, one hundred forty thousand, eight hundred four".

Divisors: 1 2 4 7 14 28 49 98 196 15193 30386 60772 106351 212702 425404 744457 1488914 2977828 230827249 461654498 923308996 1615790743 3231581486 6463162972 11310535201 22621070402 45242140804