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21096083 = 231138117
BaseRepresentation
bin101000001111…
…0011010010011
31110200210101102
41100132122103
520400033313
62032055015
7344212421
oct120363223
943623342
1021096083
11109a9888
12709446b
1344a82b8
142b32111
151cbaa58
hex141e693

21096083 has 8 divisors (see below), whose sum is σ = 22210848. Its totient is φ = 19997824.

The previous prime is 21096077. The next prime is 21096121. The reversal of 21096083 is 38069012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21096083 - 210 = 21095059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21096073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1460 + ... + 6657.

It is an arithmetic number, because the mean of its divisors is an integer number (2776356).

Almost surely, 221096083 is an apocalyptic number.

21096083 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

21096083 is a deficient number, since it is larger than the sum of its proper divisors (1114765).

21096083 is a wasteful number, since it uses less digits than its factorization.

21096083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8253.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 21096083 is about 4593.0472455658. The cubic root of 21096083 is about 276.3125485060.

It can be divided in two parts, 2109 and 6083, that added together give a 13-th power (8192 = 213).

The spelling of 21096083 in words is "twenty-one million, ninety-six thousand, eighty-three".

Divisors: 1 23 113 2599 8117 186691 917221 21096083