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10349421 = 33449807
BaseRepresentation
bin100111011110…
…101101101101
3201110210201220
4213132231231
510122140141
61005453553
7153653145
oct47365555
921423656
1010349421
115929745
1235712b9
1321b4924
141535925
15d96766
hex9deb6d

10349421 has 4 divisors (see below), whose sum is σ = 13799232. Its totient is φ = 6899612.

The previous prime is 10349419. The next prime is 10349431. The reversal of 10349421 is 12494301.

10349421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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: 12494301 = 34164767.

It is a cyclic number.

It is not a de Polignac number, because 10349421 - 21 = 10349419 is a prime.

It is a super-2 number, since 2×103494212 = 214221030070482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10349391 and 10349400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10349401) 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, 1724901 + ... + 1724906.

It is an arithmetic number, because the mean of its divisors is an integer number (3449808).

Almost surely, 210349421 is an apocalyptic number.

It is an amenable number.

10349421 is a deficient number, since it is larger than the sum of its proper divisors (3449811).

10349421 is an equidigital number, since it uses as much as digits as its factorization.

10349421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3449810.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 10349421 is about 3217.0516004565. The cubic root of 10349421 is about 217.9241452554.

The spelling of 10349421 in words is "ten million, three hundred forty-nine thousand, four hundred twenty-one".

Divisors: 1 3 3449807 10349421