Search a number
-
+
56370069 = 327894763
BaseRepresentation
bin1101011100001…
…0001110010101
310221001220012100
43113002032111
5103412320234
65332112313
71253065140
oct327021625
9127056170
1056370069
1129901738
1216a65699
13b8a8992
1476b5057
154e37399
hex35c2395

56370069 has 12 divisors (see below), whose sum is σ = 93055456. Its totient is φ = 32211432.

The previous prime is 56370053. The next prime is 56370073. The reversal of 56370069 is 96007365.

It is a happy number.

56370069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56370069 - 24 = 56370053 is a prime.

It is a super-2 number, since 2×563700692 = 6355169358129522, 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 (56370029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 447319 + ... + 447444.

Almost surely, 256370069 is an apocalyptic number.

It is an amenable number.

56370069 is a deficient number, since it is larger than the sum of its proper divisors (36685387).

56370069 is a wasteful number, since it uses less digits than its factorization.

56370069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894776 (or 894773 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 56370069 is about 7508.0003329781. Note that the first 3 decimals coincide. The cubic root of 56370069 is about 383.4271446940.

The spelling of 56370069 in words is "fifty-six million, three hundred seventy thousand, sixty-nine".

Divisors: 1 3 7 9 21 63 894763 2684289 6263341 8052867 18790023 56370069