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32342421 = 310780807
BaseRepresentation
bin111101101100…
…0000110010101
32020212011110110
41323120012111
531234424141
63113113233
7541622526
oct173300625
966764413
1032342421
1117290381
12a9b8819
136915237
14441c84d
152c8ce16
hex1ed8195

32342421 has 4 divisors (see below), whose sum is σ = 43123232. Its totient is φ = 21561612.

The previous prime is 32342413. The next prime is 32342461. The reversal of 32342421 is 12424323.

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 an emirpimes, since its reverse is a distinct semiprime: 12424323 = 34141441.

It is not a de Polignac number, because 32342421 - 23 = 32342413 is a prime.

It is a super-2 number, since 2×323424212 = 2092064392282482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32342411) 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, 5390401 + ... + 5390406.

It is an arithmetic number, because the mean of its divisors is an integer number (10780808).

Almost surely, 232342421 is an apocalyptic number.

It is an amenable number.

32342421 is a deficient number, since it is larger than the sum of its proper divisors (10780811).

32342421 is a wasteful number, since it uses less digits than its factorization.

32342421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10780810.

The product of its digits is 1152, while the sum is 21.

The square root of 32342421 is about 5687.0397396185. The cubic root of 32342421 is about 318.6086105720.

Adding to 32342421 its reverse (12424323), we get a palindrome (44766744).

The spelling of 32342421 in words is "thirty-two million, three hundred forty-two thousand, four hundred twenty-one".

Divisors: 1 3 10780807 32342421