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8432427401 = 41205668961
BaseRepresentation
bin1111101101001110…
…01010000110001001
3210202200002200202222
413312213022012021
5114232200134101
63512424103425
7415651310306
oct76647120611
923680080688
108432427401
113637981572
121774004b75
13a44cc9518
1459dcb00ad
1534546701b
hex1f69ca189

8432427401 has 4 divisors (see below), whose sum is σ = 8638096404. Its totient is φ = 8226758400.

The previous prime is 8432427389. The next prime is 8432427461. The reversal of 8432427401 is 1047242348.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2891858176 + 5540569225 = 53776^2 + 74435^2 .

It is a cyclic number.

It is not a de Polignac number, because 8432427401 - 26 = 8432427337 is a prime.

It is a super-2 number, since 2×84324274012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8432427461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102834440 + ... + 102834521.

It is an arithmetic number, because the mean of its divisors is an integer number (2159524101).

Almost surely, 28432427401 is an apocalyptic number.

It is an amenable number.

8432427401 is a deficient number, since it is larger than the sum of its proper divisors (205669003).

8432427401 is a wasteful number, since it uses less digits than its factorization.

8432427401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205669002.

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 8432427401 is about 91828.2494714998. The cubic root of 8432427401 is about 2035.4051557844.

Adding to 8432427401 its reverse (1047242348), we get a palindrome (9479669749).

The spelling of 8432427401 in words is "eight billion, four hundred thirty-two million, four hundred twenty-seven thousand, four hundred one".

Divisors: 1 41 205668961 8432427401