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32313421 = 719923197
BaseRepresentation
bin111101101000…
…1000001001101
32020210200200101
41323101001031
531233012141
63112331101
7541442140
oct173210115
966720611
1032313421
1117270608
12a9a3a91
136904c8a
144412057
152c84531
hex1ed104d

32313421 has 8 divisors (see below), whose sum is σ = 37116800. Its totient is φ = 27556848.

The previous prime is 32313419. The next prime is 32313427. The reversal of 32313421 is 12431323.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 32313421 - 21 = 32313419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32313427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10206 + ... + 12991.

It is an arithmetic number, because the mean of its divisors is an integer number (4639600).

Almost surely, 232313421 is an apocalyptic number.

It is an amenable number.

32313421 is a deficient number, since it is larger than the sum of its proper divisors (4803379).

32313421 is a wasteful number, since it uses less digits than its factorization.

32313421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23403.

The product of its digits is 432, while the sum is 19.

The square root of 32313421 is about 5684.4895109412. The cubic root of 32313421 is about 318.5133547399.

Adding to 32313421 its reverse (12431323), we get a palindrome (44744744).

The spelling of 32313421 in words is "thirty-two million, three hundred thirteen thousand, four hundred twenty-one".

Divisors: 1 7 199 1393 23197 162379 4616203 32313421