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45797780 = 2257327127
BaseRepresentation
bin1010111010110…
…1000110010100
310012011202202002
42232231012110
543211012110
64313334432
71064163140
oct256550624
9105152662
1045797780
1123940606
1213407418
1396467a2
146122220
154049aa5
hex2bad194

45797780 has 24 divisors (see below), whose sum is σ = 109915008. Its totient is φ = 15702048.

The previous prime is 45797753. The next prime is 45797821. The reversal of 45797780 is 8779754.

45797780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 163424 + ... + 163703.

It is an arithmetic number, because the mean of its divisors is an integer number (4579792).

Almost surely, 245797780 is an apocalyptic number.

It is an amenable number.

45797780 is an abundant number, since it is smaller than the sum of its proper divisors (64117228).

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

45797780 is a wasteful number, since it uses less digits than its factorization.

45797780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327143 (or 327141 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 47.

The square root of 45797780 is about 6767.4057067683. The cubic root of 45797780 is about 357.7789695002.

The spelling of 45797780 in words is "forty-five million, seven hundred ninety-seven thousand, seven hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 327127 654254 1308508 1635635 2289889 3271270 4579778 6542540 9159556 11449445 22898890 45797780