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19894852 = 2218792647
BaseRepresentation
bin100101111100…
…1001001000100
31101102202121101
41023321021010
520043113402
61550225444
7331050325
oct113711104
941382541
1019894852
111025932a
1267b5284
134177603
1428dc44c
151b2eb87
hex12f9244

19894852 has 12 divisors (see below), whose sum is σ = 34847680. Its totient is φ = 9938376.

The previous prime is 19894837. The next prime is 19894867. The reversal of 19894852 is 25849891.

It is an interprime number because it is at equal distance from previous prime (19894837) and next prime (19894867).

It is a super-2 number, since 2×198948522 = 791610272203808, which contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6193 + ... + 8839.

Almost surely, 219894852 is an apocalyptic number.

It is an amenable number.

19894852 is a deficient number, since it is larger than the sum of its proper divisors (14952828).

19894852 is a wasteful number, since it uses less digits than its factorization.

19894852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4530 (or 4528 counting only the distinct ones).

The product of its digits is 207360, while the sum is 46.

The square root of 19894852 is about 4460.3645590916. The cubic root of 19894852 is about 270.9652329413.

The spelling of 19894852 in words is "nineteen million, eight hundred ninety-four thousand, eight hundred fifty-two".

Divisors: 1 2 4 1879 2647 3758 5294 7516 10588 4973713 9947426 19894852