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56402101 = 741196523
BaseRepresentation
bin1101011100101…
…0000010110101
310221010112010201
43113022002311
5103414331401
65332520501
71253260420
oct327120265
9127115121
1056402101
1129923808
1216a80131
13b8ba432
1476c29b7
154e41b01
hex35ca0b5

56402101 has 8 divisors (see below), whose sum is σ = 66032064. Its totient is φ = 47165280.

The previous prime is 56402081. The next prime is 56402117. The reversal of 56402101 is 10120465.

56402101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-56402101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56402201) 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 7 ways as a sum of consecutive naturals, for example, 97975 + ... + 98548.

It is an arithmetic number, because the mean of its divisors is an integer number (8254008).

Almost surely, 256402101 is an apocalyptic number.

It is an amenable number.

56402101 is a deficient number, since it is larger than the sum of its proper divisors (9629963).

56402101 is a wasteful number, since it uses less digits than its factorization.

56402101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196571.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 56402101 is about 7510.1332211886. The cubic root of 56402101 is about 383.4997577720.

Adding to 56402101 its reverse (10120465), we get a palindrome (66522566).

The spelling of 56402101 in words is "fifty-six million, four hundred two thousand, one hundred one".

Divisors: 1 7 41 287 196523 1375661 8057443 56402101