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10434421 = 40126021
BaseRepresentation
bin100111110011…
…011101110101
3201122010100001
4213303131311
510132400141
61011351301
7154456024
oct47633565
921563301
1010434421
115987598
1235b2531
13221451a
1415588bb
15db1a31
hex9f3775

10434421 has 4 divisors (see below), whose sum is σ = 10460844. Its totient is φ = 10408000.

The previous prime is 10434409. The next prime is 10434427. The reversal of 10434421 is 12443401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12443401 = 43128871.

It can be written as a sum of positive squares in 2 ways, for example, as 10304100 + 130321 = 3210^2 + 361^2 .

It is a cyclic number.

It is not a de Polignac number, because 10434421 - 29 = 10433909 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10434427) 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, 12610 + ... + 13411.

It is an arithmetic number, because the mean of its divisors is an integer number (2615211).

Almost surely, 210434421 is an apocalyptic number.

It is an amenable number.

10434421 is a deficient number, since it is larger than the sum of its proper divisors (26423).

10434421 is an equidigital number, since it uses as much as digits as its factorization.

10434421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26422.

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

The square root of 10434421 is about 3230.2354403356. The cubic root of 10434421 is about 218.5191244670.

Adding to 10434421 its reverse (12443401), we get a palindrome (22877822).

The spelling of 10434421 in words is "ten million, four hundred thirty-four thousand, four hundred twenty-one".

Divisors: 1 401 26021 10434421