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20195692 = 2211458993
BaseRepresentation
bin100110100001…
…0100101101100
31102000001021121
41031002211230
520132230232
62000510324
7333442366
oct115024554
942001247
1020195692
1110444360
12691b3a4
13425151a
142979d36
151b8dd97
hex134296c

20195692 has 12 divisors (see below), whose sum is σ = 38555496. Its totient is φ = 9179840.

The previous prime is 20195683. The next prime is 20195701. The reversal of 20195692 is 29659102.

It is an interprime number because it is at equal distance from previous prime (20195683) and next prime (20195701).

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, 229453 + ... + 229540.

It is an arithmetic number, because the mean of its divisors is an integer number (3212958).

Almost surely, 220195692 is an apocalyptic number.

20195692 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20195692 is a deficient number, since it is larger than the sum of its proper divisors (18359804).

20195692 is a wasteful number, since it uses less digits than its factorization.

20195692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459008 (or 459006 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 20195692 is about 4493.9617265838. The cubic root of 20195692 is about 272.3242061188.

The spelling of 20195692 in words is "twenty million, one hundred ninety-five thousand, six hundred ninety-two".

Divisors: 1 2 4 11 22 44 458993 917986 1835972 5048923 10097846 20195692