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20276002 = 2171931387
BaseRepresentation
bin100110101011…
…0001100100010
31102011010110001
41031112030202
520142313002
62002330214
7334225465
oct115261442
942133401
1020276002
111049972a
12695996a
13427bc46
14299b2dc
151ba7a87
hex1356322

20276002 has 16 divisors (see below), whose sum is σ = 33899040. Its totient is φ = 9039168.

The previous prime is 20275991. The next prime is 20276023. The reversal of 20276002 is 20067202.

It is a happy number.

It is a super-2 number, since 2×202760022 = 822232514208008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

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 7 ways as a sum of consecutive naturals, for example, 15048 + ... + 16339.

It is an arithmetic number, because the mean of its divisors is an integer number (2118690).

Almost surely, 220276002 is an apocalyptic number.

20276002 is a deficient number, since it is larger than the sum of its proper divisors (13623038).

20276002 is a wasteful number, since it uses less digits than its factorization.

20276002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31425.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 20276002 is about 4502.8881842657. Note that the first 3 decimals coincide. The cubic root of 20276002 is about 272.6847026552.

The spelling of 20276002 in words is "twenty million, two hundred seventy-six thousand, two".

Divisors: 1 2 17 19 34 38 323 646 31387 62774 533579 596353 1067158 1192706 10138001 20276002