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20095937 = 35356929
BaseRepresentation
bin100110010101…
…0001111000001
31101210222102222
41030222033001
520121032222
61554420425
7332545511
oct114521701
941728388
1020095937
1110386414
126891715
134217cb4
142951841
151b6e542
hex132a3c1

20095937 has 4 divisors (see below), whose sum is σ = 20153220. Its totient is φ = 20038656.

The previous prime is 20095903. The next prime is 20095961. The reversal of 20095937 is 73959002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2989441 + 17106496 = 1729^2 + 4136^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20095937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20095897 and 20095906.

It is not an unprimeable number, because it can be changed into a prime (20095987) 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 3 ways as a sum of consecutive naturals, for example, 28112 + ... + 28817.

It is an arithmetic number, because the mean of its divisors is an integer number (5038305).

Almost surely, 220095937 is an apocalyptic number.

It is an amenable number.

20095937 is a deficient number, since it is larger than the sum of its proper divisors (57283).

20095937 is an equidigital number, since it uses as much as digits as its factorization.

20095937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57282.

The product of its (nonzero) digits is 17010, while the sum is 35.

The square root of 20095937 is about 4482.8492055834. The cubic root of 20095937 is about 271.8750913286.

The spelling of 20095937 in words is "twenty million, ninety-five thousand, nine hundred thirty-seven".

Divisors: 1 353 56929 20095937