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16889292 = 2232767021
BaseRepresentation
bin100000001101…
…1010111001100
31011210001202100
41000123113030
513310424132
61401555100
7263361630
oct100332714
934701670
1016889292
1195961a2
1257a5a90
133664584
142358dc0
15173937c
hex101b5cc

16889292 has 36 divisors (see below), whose sum is σ = 48792016. Its totient is φ = 4825440.

The previous prime is 16889287. The next prime is 16889297. The reversal of 16889292 is 29298861.

It is an interprime number because it is at equal distance from previous prime (16889287) and next prime (16889297).

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×168892922 = 570496368522528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16889297) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 33259 + ... + 33762.

Almost surely, 216889292 is an apocalyptic number.

16889292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16889292 is an abundant number, since it is smaller than the sum of its proper divisors (31902724).

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

16889292 is a wasteful number, since it uses less digits than its factorization.

16889292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67038 (or 67033 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 16889292 is about 4109.6583799630. The cubic root of 16889292 is about 256.5687833499.

The spelling of 16889292 in words is "sixteen million, eight hundred eighty-nine thousand, two hundred ninety-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 67021 134042 201063 268084 402126 469147 603189 804252 938294 1206378 1407441 1876588 2412756 2814882 4222323 5629764 8444646 16889292