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472090111 = 2320525657
BaseRepresentation
bin11100001000111…
…000010111111111
31012220022122212221
4130020320113333
51431323340421
6114502310211
714461462003
oct3410702777
91186278787
10472090111
11222534319
12112128367
1376a6257c
14469ac703
152b6a3841
hex1c2385ff

472090111 has 4 divisors (see below), whose sum is σ = 492615792. Its totient is φ = 451564432.

The previous prime is 472090057. The next prime is 472090123. The reversal of 472090111 is 111090274.

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

It is a cyclic number.

It is not a de Polignac number, because 472090111 - 225 = 438535679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472090811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10262806 + ... + 10262851.

It is an arithmetic number, because the mean of its divisors is an integer number (123153948).

Almost surely, 2472090111 is an apocalyptic number.

472090111 is a deficient number, since it is larger than the sum of its proper divisors (20525681).

472090111 is a wasteful number, since it uses less digits than its factorization.

472090111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20525680.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 472090111 is about 21727.6347309135. The cubic root of 472090111 is about 778.6488282987.

The spelling of 472090111 in words is "four hundred seventy-two million, ninety thousand, one hundred eleven".

Divisors: 1 23 20525657 472090111