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56092409 = 2911317117
BaseRepresentation
bin1101010111111…
…0011011111001
310220112210022122
43111332123321
5103324424114
65322131025
71250530502
oct325763371
9126483278
1056092409
112973206a
1216950a75
13b80c499
147641ba9
154dcee8e
hex357e6f9

56092409 has 8 divisors (see below), whose sum is σ = 58543560. Its totient is φ = 53675776.

The previous prime is 56092369. The next prime is 56092441. The reversal of 56092409 is 90429065.

It can be written as a sum of positive squares in 4 ways, for example, as 4826809 + 51265600 = 2197^2 + 7160^2 .

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 56092409 - 224 = 39315193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56092459) 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, 5282 + ... + 11835.

It is an arithmetic number, because the mean of its divisors is an integer number (7317945).

Almost surely, 256092409 is an apocalyptic number.

It is an amenable number.

56092409 is a deficient number, since it is larger than the sum of its proper divisors (2451151).

56092409 is a wasteful number, since it uses less digits than its factorization.

56092409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17259.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 56092409 is about 7489.4865645116. The cubic root of 56092409 is about 382.7965638314.

The spelling of 56092409 in words is "fifty-six million, ninety-two thousand, four hundred nine".

Divisors: 1 29 113 3277 17117 496393 1934221 56092409