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32428897 = 52796143
BaseRepresentation
bin111101110110…
…1001101100001
32021000120002021
41323231031201
531300211042
63115021441
7542432614
oct173551541
967016067
1032428897
111733a346
12aa3a881
1369456c7
14444217b
152ca8867
hex1eed361

32428897 has 4 divisors (see below), whose sum is σ = 32440320. Its totient is φ = 32417476.

The previous prime is 32428861. The next prime is 32428927. The reversal of 32428897 is 79882423.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 79882423 = 243732779.

It is a cyclic number.

It is not a de Polignac number, because 32428897 - 27 = 32428769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32428817) 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, 2208 + ... + 8350.

It is an arithmetic number, because the mean of its divisors is an integer number (8110080).

Almost surely, 232428897 is an apocalyptic number.

It is an amenable number.

32428897 is a deficient number, since it is larger than the sum of its proper divisors (11423).

32428897 is an equidigital number, since it uses as much as digits as its factorization.

32428897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11422.

The product of its digits is 193536, while the sum is 43.

The square root of 32428897 is about 5694.6375652889. The cubic root of 32428897 is about 318.8923192733.

The spelling of 32428897 in words is "thirty-two million, four hundred twenty-eight thousand, eight hundred ninety-seven".

Divisors: 1 5279 6143 32428897