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3438431 = 23149497
BaseRepresentation
bin1101000111011101011111
320110200122022
431013131133
51340012211
6201410355
741140403
oct15073537
96420568
103438431
111a39387
1211999bb
13935099
14657103
1547dbdb
hex34775f

3438431 has 4 divisors (see below), whose sum is σ = 3587952. Its totient is φ = 3288912.

The previous prime is 3438419. The next prime is 3438439. The reversal of 3438431 is 1348343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1348343 = 9371439.

It is a cyclic number.

It is not a de Polignac number, because 3438431 - 26 = 3438367 is a prime.

It is a super-2 number, since 2×34384312 = 23645615483522, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a zygodrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 3438431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3438439) 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, 74726 + ... + 74771.

It is an arithmetic number, because the mean of its divisors is an integer number (896988).

Almost surely, 23438431 is an apocalyptic number.

3438431 is a deficient number, since it is larger than the sum of its proper divisors (149521).

3438431 is a wasteful number, since it uses less digits than its factorization.

3438431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149520.

The product of its digits is 3456, while the sum is 26.

The square root of 3438431 is about 1854.3006768051. The cubic root of 3438431 is about 150.9338920890.

The spelling of 3438431 in words is "three million, four hundred thirty-eight thousand, four hundred thirty-one".

Divisors: 1 23 149497 3438431