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45054320 = 2451929641
BaseRepresentation
bin1010101111011…
…1100101110000
310010202222220112
42223313211300
543013214240
64245400452
71054645463
oct253674560
9103688815
1045054320
1123482a83
1213109128
13944627c
145dab2da
153e4e665
hex2af7970

45054320 has 40 divisors (see below), whose sum is σ = 110268240. Its totient is φ = 17072640.

The previous prime is 45054319. The next prime is 45054337. The reversal of 45054320 is 2345054.

It is a tau number, because it is divible by the number of its divisors (40).

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, 13301 + ... + 16340.

It is an arithmetic number, because the mean of its divisors is an integer number (2756706).

Almost surely, 245054320 is an apocalyptic number.

45054320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45054320 is an abundant number, since it is smaller than the sum of its proper divisors (65213920).

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

45054320 is a wasteful number, since it uses less digits than its factorization.

45054320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29673 (or 29667 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 45054320 is about 6712.2514851576. The cubic root of 45054320 is about 355.8323917484.

Adding to 45054320 its reverse (2345054), we get a palindrome (47399374).

The spelling of 45054320 in words is "forty-five million, fifty-four thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 19 20 38 40 76 80 95 152 190 304 380 760 1520 29641 59282 118564 148205 237128 296410 474256 563179 592820 1126358 1185640 2252716 2371280 2815895 4505432 5631790 9010864 11263580 22527160 45054320