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10321427 = 19543233
BaseRepresentation
bin100111010111…
…111000010011
3201102101100002
4213113320103
510120241202
61005120215
7153505424
oct47277023
921371302
1010321427
11590a706
12355906b
1321a4c6c
14152964b
15d8d302
hex9d7e13

10321427 has 4 divisors (see below), whose sum is σ = 10864680. Its totient is φ = 9778176.

The previous prime is 10321403. The next prime is 10321439. The reversal of 10321427 is 72412301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10321427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10321399 and 10321408.

It is not an unprimeable number, because it can be changed into a prime (10324427) 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, 271598 + ... + 271635.

It is an arithmetic number, because the mean of its divisors is an integer number (2716170).

Almost surely, 210321427 is an apocalyptic number.

10321427 is a deficient number, since it is larger than the sum of its proper divisors (543253).

10321427 is an equidigital number, since it uses as much as digits as its factorization.

10321427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543252.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 10321427 is about 3212.6977760132. The cubic root of 10321427 is about 217.7274812021.

Adding to 10321427 its reverse (72412301), we get a palindrome (82733728).

The spelling of 10321427 in words is "ten million, three hundred twenty-one thousand, four hundred twenty-seven".

Divisors: 1 19 543233 10321427