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45247495940 = 2254297526501
BaseRepresentation
bin101010001000111101…
…011111111100000100
311022210101010221122222
4222020331133330010
51220131324332230
632441510511512
73161163240533
oct521075377404
9138711127588
1045247495940
111820a039449
128929365598
134361287b4a
14229349631a
15129c52a6e5
hexa88f5ff04

45247495940 has 24 divisors (see below), whose sum is σ = 95042035032. Its totient is φ = 18094752000.

The previous prime is 45247495807. The next prime is 45247495981. The reversal of 45247495940 is 4959474254.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 191490244 + 45056005696 = 13838^2 + 212264^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177311 + ... + 349190.

It is an arithmetic number, because the mean of its divisors is an integer number (3960084793).

Almost surely, 245247495940 is an apocalyptic number.

It is an amenable number.

45247495940 is an abundant number, since it is smaller than the sum of its proper divisors (49794539092).

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

45247495940 is a wasteful number, since it uses less digits than its factorization.

45247495940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530807 (or 530805 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 53.

The spelling of 45247495940 in words is "forty-five billion, two hundred forty-seven million, four hundred ninety-five thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 4297 8594 17188 21485 42970 85940 526501 1053002 2106004 2632505 5265010 10530020 2262374797 4524749594 9049499188 11311873985 22623747970 45247495940