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2223734540 = 2251916093637
BaseRepresentation
bin1000010010001011…
…0111111100001100
312201222100102022112
42010202313330030
514023234001130
61004354203152
7106051301036
oct20442677414
95658312275
102223734540
11a41270745
125208834b8
13295921871
14171498c56
15d0359495
hex848b7f0c

2223734540 has 48 divisors (see below), whose sum is σ = 4920031200. Its totient is φ = 841923072.

The previous prime is 2223734533. The next prime is 2223734549. The reversal of 2223734540 is 454373222.

It is a junction number, because it is equal to n+sod(n) for n = 2223734497 and 2223734506.

It is not an unprimeable number, because it can be changed into a prime (2223734549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 609602 + ... + 613238.

It is an arithmetic number, because the mean of its divisors is an integer number (102500650).

Almost surely, 22223734540 is an apocalyptic number.

2223734540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2223734540 is an abundant number, since it is smaller than the sum of its proper divisors (2696296660).

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

2223734540 is a wasteful number, since it uses less digits than its factorization.

2223734540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5274 (or 5272 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 32.

The square root of 2223734540 is about 47156.4899032996. The cubic root of 2223734540 is about 1305.2518394587.

The spelling of 2223734540 in words is "two billion, two hundred twenty-three million, seven hundred thirty-four thousand, five hundred forty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 1609 3218 3637 6436 7274 8045 14548 16090 18185 30571 32180 36370 61142 69103 72740 122284 138206 152855 276412 305710 345515 611420 691030 1382060 5851933 11703866 23407732 29259665 58519330 111186727 117038660 222373454 444746908 555933635 1111867270 2223734540