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10421185 = 52390619
BaseRepresentation
bin100111110000…
…001111000001
3201121110011211
4213300033001
510131434220
61011210121
7154402315
oct47601701
921543154
1010421185
115978655
1235a6941
13220b4a8
141553b45
15dacb5a
hex9f03c1

10421185 has 8 divisors (see below), whose sum is σ = 13049280. Its totient is φ = 7974384.

The previous prime is 10421143. The next prime is 10421207. The reversal of 10421185 is 58112401.

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 10421185 - 219 = 9896897 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 45195 + ... + 45424.

It is an arithmetic number, because the mean of its divisors is an integer number (1631160).

Almost surely, 210421185 is an apocalyptic number.

It is an amenable number.

10421185 is a deficient number, since it is larger than the sum of its proper divisors (2628095).

10421185 is an equidigital number, since it uses as much as digits as its factorization.

10421185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90647.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 10421185 is about 3228.1860231406. The cubic root of 10421185 is about 218.4266886414.

Adding to 10421185 its reverse (58112401), we get a palindrome (68533586).

The spelling of 10421185 in words is "ten million, four hundred twenty-one thousand, one hundred eighty-five".

Divisors: 1 5 23 115 90619 453095 2084237 10421185