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45228270 = 2351507609
BaseRepresentation
bin1010110010001…
…0000011101110
310011002211112010
42230202003232
543034301040
64253222050
71056301563
oct254420356
9104084463
1045228270
112359173a
1213191926
1394a74b9
14601486a
153e85e80
hex2b220ee

45228270 has 16 divisors (see below), whose sum is σ = 108547920. Its totient is φ = 12060864.

The previous prime is 45228269. The next prime is 45228301. The reversal of 45228270 is 7282254.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1507609 = 45228270 / (4 + 5 + 2 + 2 + 8 + 2 + 7 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 753775 + ... + 753834.

It is an arithmetic number, because the mean of its divisors is an integer number (6784245).

Almost surely, 245228270 is an apocalyptic number.

45228270 is an abundant number, since it is smaller than the sum of its proper divisors (63319650).

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

45228270 is a wasteful number, since it uses less digits than its factorization.

45228270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507619.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 45228270 is about 6725.1966513999. The cubic root of 45228270 is about 356.2897474888.

The spelling of 45228270 in words is "forty-five million, two hundred twenty-eight thousand, two hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 1507609 3015218 4522827 7538045 9045654 15076090 22614135 45228270