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56432197 = 173319541
BaseRepresentation
bin1101011101000…
…1011001000101
310221012001102101
43113101121011
5103421312242
65333312101
71253444233
oct327213105
9127161371
1056432197
1129944388
1216a95631
13b8cb043
1476cd953
154e4a9b7
hex35d1645

56432197 has 4 divisors (see below), whose sum is σ = 59751756. Its totient is φ = 53112640.

The previous prime is 56432191. The next prime is 56432203. The reversal of 56432197 is 79123465.

56432197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (56432191) and next prime (56432203).

It can be written as a sum of positive squares in 2 ways, for example, as 21077281 + 35354916 = 4591^2 + 5946^2 .

It is a cyclic number.

It is not a de Polignac number, because 56432197 - 211 = 56430149 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 (56432191) 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 3 ways as a sum of consecutive naturals, for example, 1659754 + ... + 1659787.

It is an arithmetic number, because the mean of its divisors is an integer number (14937939).

Almost surely, 256432197 is an apocalyptic number.

It is an amenable number.

56432197 is a deficient number, since it is larger than the sum of its proper divisors (3319559).

56432197 is a wasteful number, since it uses less digits than its factorization.

56432197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3319558.

The product of its digits is 45360, while the sum is 37.

The square root of 56432197 is about 7512.1366467870. The cubic root of 56432197 is about 383.5679571015.

It can be divided in two parts, 564 and 32197, that added together give a square (32761 = 1812).

The spelling of 56432197 in words is "fifty-six million, four hundred thirty-two thousand, one hundred ninety-seven".

Divisors: 1 17 3319541 56432197