Search a number
-
+
10434431 = 71490633
BaseRepresentation
bin100111110011…
…011101111111
3201122010100102
4213303131333
510132400211
61011351315
7154456040
oct47633577
921563312
1010434431
1159875a7
1235b253b
132214527
1415588c7
15db1a3b
hex9f377f

10434431 has 4 divisors (see below), whose sum is σ = 11925072. Its totient is φ = 8943792.

The previous prime is 10434427. The next prime is 10434443. The reversal of 10434431 is 13443401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13443401 = 23357697.

It is a cyclic number.

It is not a de Polignac number, because 10434431 - 22 = 10434427 is a prime.

It is a super-2 number, since 2×104344312 = 217754700587522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10434451) 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, 745310 + ... + 745323.

It is an arithmetic number, because the mean of its divisors is an integer number (2981268).

Almost surely, 210434431 is an apocalyptic number.

10434431 is a deficient number, since it is larger than the sum of its proper divisors (1490641).

10434431 is an equidigital number, since it uses as much as digits as its factorization.

10434431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490640.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 10434431 is about 3230.2369882100. The cubic root of 10434431 is about 218.5191942741.

Adding to 10434431 its reverse (13443401), we get a palindrome (23877832).

The spelling of 10434431 in words is "ten million, four hundred thirty-four thousand, four hundred thirty-one".

Divisors: 1 7 1490633 10434431