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1890268325 = 521147146249
BaseRepresentation
bin111000010101011…
…0011010010100101
311212201212120122222
41300222303102211
512332402041300
6511323002125
764562005241
oct16052632245
94781776588
101890268325
11890009630
12449069345
1324180718a
1413d093421
15b0e39785
hex70ab34a5

1890268325 has 24 divisors (see below), whose sum is σ = 2611440000. Its totient is φ = 1345481600.

The previous prime is 1890268319. The next prime is 1890268337. The reversal of 1890268325 is 5238620981.

It is not a de Polignac number, because 1890268325 - 24 = 1890268309 is a prime.

It is a super-2 number, since 2×18902683252 = 7146228680996611250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60200 + ... + 86049.

It is an arithmetic number, because the mean of its divisors is an integer number (108810000).

Almost surely, 21890268325 is an apocalyptic number.

It is an amenable number.

1890268325 is a deficient number, since it is larger than the sum of its proper divisors (721171675).

1890268325 is a wasteful number, since it uses less digits than its factorization.

1890268325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146317 (or 146312 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 1890268325 is about 43477.2161597313. The cubic root of 1890268325 is about 1236.4440974320. Note that the first 3 decimals are identical.

The spelling of 1890268325 in words is "one billion, eight hundred ninety million, two hundred sixty-eight thousand, three hundred twenty-five".

Divisors: 1 5 11 25 47 55 235 275 517 1175 2585 12925 146249 731245 1608739 3656225 6873703 8043695 34368515 40218475 75610733 171842575 378053665 1890268325