Search a number
-
+
56209373 = 1140112743
BaseRepresentation
bin1101011001101…
…0111111011101
310220202201202122
43112122333131
5103342144443
65324432325
71251525503
oct326327735
9126681678
1056209373
1129801a30
12169a86a5
13b8507ac
147672673
154e04968
hex359afdd

56209373 has 8 divisors (see below), whose sum is σ = 61477056. Its totient is φ = 50968000.

The previous prime is 56209367. The next prime is 56209381. The reversal of 56209373 is 37390265.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56209373 is a prime.

It is a super-2 number, since 2×562093732 = 6318987226106258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56209303) 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, 1961 + ... + 10782.

It is an arithmetic number, because the mean of its divisors is an integer number (7684632).

Almost surely, 256209373 is an apocalyptic number.

It is an amenable number.

56209373 is a deficient number, since it is larger than the sum of its proper divisors (5267683).

56209373 is a wasteful number, since it uses less digits than its factorization.

56209373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13155.

The product of its (nonzero) digits is 34020, while the sum is 35.

The square root of 56209373 is about 7497.2910441039. The cubic root of 56209373 is about 383.0624484882.

The spelling of 56209373 in words is "fifty-six million, two hundred nine thousand, three hundred seventy-three".

Divisors: 1 11 401 4411 12743 140173 5109943 56209373