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32228401 = 139231859
BaseRepresentation
bin111101011110…
…0010000110001
32020122101001111
41322330100301
531222302101
63110433321
7540636232
oct172742061
966571044
1032228401
1117212747
12a962841
1368a537a
1443cd089
152c69251
hex1ebc431

32228401 has 4 divisors (see below), whose sum is σ = 32460400. Its totient is φ = 31996404.

The previous prime is 32228387. The next prime is 32228423. The reversal of 32228401 is 10482223.

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 not a de Polignac number, because 32228401 - 29 = 32227889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32228201) 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, 115791 + ... + 116068.

It is an arithmetic number, because the mean of its divisors is an integer number (8115100).

Almost surely, 232228401 is an apocalyptic number.

It is an amenable number.

32228401 is a deficient number, since it is larger than the sum of its proper divisors (231999).

32228401 is a wasteful number, since it uses less digits than its factorization.

32228401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231998.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 32228401 is about 5677.0063413739. The cubic root of 32228401 is about 318.2337620354.

The spelling of 32228401 in words is "thirty-two million, two hundred twenty-eight thousand, four hundred one".

Divisors: 1 139 231859 32228401