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2265207420 = 223575393351
BaseRepresentation
bin1000011100000100…
…0101001001111100
312211212101110102010
42013001011021330
514114343114140
61012435131220
7110063642160
oct20701051174
95755343363
102265207420
11a62717953
12532743b10
132a13b2928
14176bb2ca0
15d3cec880
hex8704527c

2265207420 has 48 divisors (see below), whose sum is σ = 7248665088. Its totient is φ = 517761600.

The previous prime is 2265207403. The next prime is 2265207421. The reversal of 2265207420 is 247025622.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265207421) 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 15 ways as a sum of consecutive naturals, for example, 2696256 + ... + 2697095.

It is an arithmetic number, because the mean of its divisors is an integer number (151013856).

Almost surely, 22265207420 is an apocalyptic number.

2265207420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2265207420 is an abundant number, since it is smaller than the sum of its proper divisors (4983457668).

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

2265207420 is a wasteful number, since it uses less digits than its factorization.

2265207420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5393370 (or 5393368 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 2265207420 is about 47594.1952342930. The cubic root of 2265207420 is about 1313.3162719203.

The spelling of 2265207420 in words is "two billion, two hundred sixty-five million, two hundred seven thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 5393351 10786702 16180053 21573404 26966755 32360106 37753457 53933510 64720212 75506914 80900265 107867020 113260371 151013828 161800530 188767285 226520742 323601060 377534570 453041484 566301855 755069140 1132603710 2265207420