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45447460 = 22517133669
BaseRepresentation
bin1010110101011…
…1100100100100
310011111222012021
42231113210210
543113304320
64302032524
71061203612
oct255274444
9104458167
1045447460
1123721393
1213278744
1395531b6
1460706b2
153ecadaa
hex2b57924

45447460 has 24 divisors (see below), whose sum is σ = 101054520. Its totient is φ = 17109504.

The previous prime is 45447427. The next prime is 45447461. The reversal of 45447460 is 6474454.

45447460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 369664 + 45077796 = 608^2 + 6714^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (45447461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66495 + ... + 67174.

It is an arithmetic number, because the mean of its divisors is an integer number (4210605).

Almost surely, 245447460 is an apocalyptic number.

It is an amenable number.

45447460 is an abundant number, since it is smaller than the sum of its proper divisors (55607060).

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

45447460 is a wasteful number, since it uses less digits than its factorization.

45447460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133695 (or 133693 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 34.

The square root of 45447460 is about 6741.4731327804. The cubic root of 45447460 is about 356.8643831513.

The spelling of 45447460 in words is "forty-five million, four hundred forty-seven thousand, four hundred sixty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 133669 267338 534676 668345 1336690 2272373 2673380 4544746 9089492 11361865 22723730 45447460