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10344421 = 31333691
BaseRepresentation
bin100111011101…
…011111100101
3201110112212201
4213131133211
510122010141
61005414501
7153632443
oct47353745
921415781
1010344421
115925a0a
12356a431
1321b2579
141533b93
15d95031
hex9dd7e5

10344421 has 4 divisors (see below), whose sum is σ = 10678144. Its totient is φ = 10010700.

The previous prime is 10344419. The next prime is 10344437. The reversal of 10344421 is 12444301.

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: 12444301 = 23895209.

It is a cyclic number.

It is not a de Polignac number, because 10344421 - 21 = 10344419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10344491) 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, 166815 + ... + 166876.

It is an arithmetic number, because the mean of its divisors is an integer number (2669536).

Almost surely, 210344421 is an apocalyptic number.

It is an amenable number.

10344421 is a deficient number, since it is larger than the sum of its proper divisors (333723).

10344421 is an equidigital number, since it uses as much as digits as its factorization.

10344421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333722.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 10344421 is about 3216.2743974978. The cubic root of 10344421 is about 217.8890451841.

Adding to 10344421 its reverse (12444301), we get a palindrome (22788722).

The spelling of 10344421 in words is "ten million, three hundred forty-four thousand, four hundred twenty-one".

Divisors: 1 31 333691 10344421