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2238863740 = 225111943187
BaseRepresentation
bin1000010101110010…
…0101100101111100
312210000211001200021
42011130211211330
514041122114430
61010054341524
7106324012351
oct20534454574
95700731607
102238863740
11a49864513
1252595a8a4
13298abac59
141734b6628
15d184707a
hex8572597c

2238863740 has 12 divisors (see below), whose sum is σ = 4701613896. Its totient is φ = 895545488.

The previous prime is 2238863701. The next prime is 2238863743. The reversal of 2238863740 is 473688322.

2238863740 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 not an unprimeable number, because it can be changed into a prime (2238863743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55971574 + ... + 55971613.

It is an arithmetic number, because the mean of its divisors is an integer number (391801158).

Almost surely, 22238863740 is an apocalyptic number.

2238863740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2238863740 is an abundant number, since it is smaller than the sum of its proper divisors (2462750156).

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

2238863740 is a wasteful number, since it uses less digits than its factorization.

2238863740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111943196 (or 111943194 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 43.

The square root of 2238863740 is about 47316.6328049662. The cubic root of 2238863740 is about 1308.2052496445.

The spelling of 2238863740 in words is "two billion, two hundred thirty-eight million, eight hundred sixty-three thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 111943187 223886374 447772748 559715935 1119431870 2238863740