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56420333 = 229433569
BaseRepresentation
bin1101011100111…
…0011111101101
310221011110010222
43113032133231
5103420422313
65333141125
71253364524
oct327163755
9127143128
1056420333
1129936482
1216a8a7a5
13b8c5818
1476c94bb
154e47208
hex35ce7ed

56420333 has 8 divisors (see below), whose sum is σ = 56897400. Its totient is φ = 55945728.

The previous prime is 56420327. The next prime is 56420339. The reversal of 56420333 is 33302465.

It is an interprime number because it is at equal distance from previous prime (56420327) and next prime (56420339).

It can be written as a sum of positive squares in 4 ways, for example, as 3378244 + 53042089 = 1838^2 + 7283^2 .

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 56420333 - 210 = 56419309 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 (56420339) 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, 98873 + ... + 99441.

It is an arithmetic number, because the mean of its divisors is an integer number (7112175).

Almost surely, 256420333 is an apocalyptic number.

It is an amenable number.

56420333 is a deficient number, since it is larger than the sum of its proper divisors (477067).

56420333 is a wasteful number, since it uses less digits than its factorization.

56420333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231.

The product of its (nonzero) digits is 6480, while the sum is 26.

The square root of 56420333 is about 7511.3469497820. The cubic root of 56420333 is about 383.5410754665.

Adding to 56420333 its reverse (33302465), we get a palindrome (89722798).

The spelling of 56420333 in words is "fifty-six million, four hundred twenty thousand, three hundred thirty-three".

Divisors: 1 229 433 569 99157 130301 246377 56420333