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1890268324 = 227167404249
BaseRepresentation
bin111000010101011…
…0011010010100100
311212201212120122221
41300222303102210
512332402041244
6511323002124
764562005240
oct16052632244
94781776587
101890268324
1189000962a
12449069344
13241807189
1413d093420
15b0e39784
hex70ab34a4

1890268324 has 24 divisors (see below), whose sum is σ = 3803184000. Its totient is φ = 805262016.

The previous prime is 1890268319. The next prime is 1890268337. The reversal of 1890268324 is 4238620981.

It is a super-2 number, since 2×18902683242 = 7146228673435537952, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197449 + ... + 206800.

It is an arithmetic number, because the mean of its divisors is an integer number (158466000).

Almost surely, 21890268324 is an apocalyptic number.

1890268324 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1890268324 is an abundant number, since it is smaller than the sum of its proper divisors (1912915676).

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

1890268324 is a wasteful number, since it uses less digits than its factorization.

1890268324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404427 (or 404425 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 1890268324 is about 43477.2161482310. The cubic root of 1890268324 is about 1236.4440972139. Note that the first 3 decimals are identical.

The spelling of 1890268324 in words is "one billion, eight hundred ninety million, two hundred sixty-eight thousand, three hundred twenty-four".

Divisors: 1 2 4 7 14 28 167 334 668 1169 2338 4676 404249 808498 1616996 2829743 5659486 11318972 67509583 135019166 270038332 472567081 945134162 1890268324