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32250401 = 71454231
BaseRepresentation
bin111101100000…
…1101000100001
32020200111020022
41323001220201
531224003101
63111123225
7541060331
oct173015041
966614208
1032250401
1117228227
12a973515
1368b23a1
1443d70c1
152c70a1b
hex1ec1a21

32250401 has 4 divisors (see below), whose sum is σ = 32704704. Its totient is φ = 31796100.

The previous prime is 32250373. The next prime is 32250409. The reversal of 32250401 is 10405223.

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: 10405223 = 23452401.

It is a cyclic number.

It is not a de Polignac number, because 32250401 - 210 = 32249377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 32250401.

It is not an unprimeable number, because it can be changed into a prime (32250409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227045 + ... + 227186.

It is an arithmetic number, because the mean of its divisors is an integer number (8176176).

Almost surely, 232250401 is an apocalyptic number.

It is an amenable number.

32250401 is a deficient number, since it is larger than the sum of its proper divisors (454303).

32250401 is an equidigital number, since it uses as much as digits as its factorization.

32250401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454302.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 32250401 is about 5678.9436517719. The cubic root of 32250401 is about 318.3061572943.

Adding to 32250401 its reverse (10405223), we get a palindrome (42655624).

The spelling of 32250401 in words is "thirty-two million, two hundred fifty thousand, four hundred one".

Divisors: 1 71 454231 32250401