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2223653240 = 23555591331
BaseRepresentation
bin1000010010001010…
…0100000101111000
312201222012021210102
42010202210011320
514023223400430
61004352334532
7106050512024
oct20442440570
95658167712
102223653240
11a41215656
12520844448
132958c3863
14171477384
15d0340345
hex848a4178

2223653240 has 16 divisors (see below), whose sum is σ = 5003219880. Its totient is φ = 889461280.

The previous prime is 2223653231. The next prime is 2223653273. The reversal of 2223653240 is 423563222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27795626 + ... + 27795705.

Almost surely, 22223653240 is an apocalyptic number.

2223653240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2223653240 is an abundant number, since it is smaller than the sum of its proper divisors (2779566640).

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

2223653240 is a wasteful number, since it uses less digits than its factorization.

2223653240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55591342 (or 55591338 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 2223653240 is about 47155.6278719730. The cubic root of 2223653240 is about 1305.2359325439.

The spelling of 2223653240 in words is "two billion, two hundred twenty-three million, six hundred fifty-three thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 55591331 111182662 222365324 277956655 444730648 555913310 1111826620 2223653240