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2228890056 = 233976431489
BaseRepresentation
bin1000010011011010…
…0010100111001000
312202100001100100120
42010312202213020
514031043440211
61005100503240
7106143152511
oct20466424710
95670040316
102228890056
11a441720a8
1252254ab20
13296a08373
1417203ba08
15d0a26d06
hex84da29c8

2228890056 has 64 divisors (see below), whose sum is σ = 5642212800. Its totient is φ = 733667328.

The previous prime is 2228889991. The next prime is 2228890067. The reversal of 2228890056 is 6500988222.

It is an unprimeable number.

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, 1496160 + ... + 1497648.

It is an arithmetic number, because the mean of its divisors is an integer number (88159575).

Almost surely, 22228890056 is an apocalyptic number.

It is an amenable number.

2228890056 is an abundant number, since it is smaller than the sum of its proper divisors (3413322744).

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

2228890056 is a wasteful number, since it uses less digits than its factorization.

2228890056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2238 (or 2234 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 2228890056 is about 47211.1221641681. The cubic root of 2228890056 is about 1306.2597614832.

The spelling of 2228890056 in words is "two billion, two hundred twenty-eight million, eight hundred ninety thousand, fifty-six".

Divisors: 1 2 3 4 6 8 12 24 97 194 291 388 582 643 776 1164 1286 1489 1929 2328 2572 2978 3858 4467 5144 5956 7716 8934 11912 15432 17868 35736 62371 124742 144433 187113 249484 288866 374226 433299 498968 577732 748452 866598 957427 1155464 1496904 1733196 1914854 2872281 3466392 3829708 5744562 7659416 11489124 22978248 92870419 185740838 278611257 371481676 557222514 742963352 1114445028 2228890056