Search a number
-
+
56253401 = 67839603
BaseRepresentation
bin1101011010010…
…1101111011001
310220211222011022
43112211233121
5103400102101
65325412225
71252101041
oct326455731
9126758138
1056253401
1129832016
1216a0a075
13b867849
147684721
154e12a1b
hex35a5bd9

56253401 has 4 divisors (see below), whose sum is σ = 57093072. Its totient is φ = 55413732.

The previous prime is 56253383. The next prime is 56253403. The reversal of 56253401 is 10435265.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56253401 is a prime.

It is a super-4 number, since 4×562534014 (a number of 32 digits) contains 4444 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56253403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419735 + ... + 419868.

It is an arithmetic number, because the mean of its divisors is an integer number (14273268).

Almost surely, 256253401 is an apocalyptic number.

It is an amenable number.

56253401 is a deficient number, since it is larger than the sum of its proper divisors (839671).

56253401 is an equidigital number, since it uses as much as digits as its factorization.

56253401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839670.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 56253401 is about 7500.2267299062. The cubic root of 56253401 is about 383.1624381697.

Adding to 56253401 its reverse (10435265), we get a palindrome (66688666).

The spelling of 56253401 in words is "fifty-six million, two hundred fifty-three thousand, four hundred one".

Divisors: 1 67 839603 56253401