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56196505 = 560118701
BaseRepresentation
bin1101011001011…
…1110110011001
310220202002010001
43112113312121
5103341242010
65324253001
71251443131
oct326276631
9126662101
1056196505
11297a32a2
12169a1161
13b847991
14766bac1
154e00c3a
hex3597d99

56196505 has 8 divisors (see below), whose sum is σ = 67551624. Its totient is φ = 44880000.

The previous prime is 56196499. The next prime is 56196523. The reversal of 56196505 is 50569165.

It can be written as a sum of positive squares in 4 ways, for example, as 5900041 + 50296464 = 2429^2 + 7092^2 .

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

It is not a de Polignac number, because 56196505 - 213 = 56188313 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6346 + ... + 12355.

It is an arithmetic number, because the mean of its divisors is an integer number (8443953).

Almost surely, 256196505 is an apocalyptic number.

It is an amenable number.

56196505 is a deficient number, since it is larger than the sum of its proper divisors (11355119).

56196505 is a wasteful number, since it uses less digits than its factorization.

56196505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19307.

The product of its (nonzero) digits is 40500, while the sum is 37.

The square root of 56196505 is about 7496.4328183477. The cubic root of 56196505 is about 383.0332147886.

The spelling of 56196505 in words is "fifty-six million, one hundred ninety-six thousand, five hundred five".

Divisors: 1 5 601 3005 18701 93505 11239301 56196505