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344228831 = 1312627701
BaseRepresentation
bin10100100001001…
…000001111011111
3212222201122011222
4110201020033133
51201110310311
654054003555
711346616412
oct2441101737
9788648158
10344228831
11167343241
12973465bb
13564153cb
1433a07b79
1520348adb
hex148483df

344228831 has 4 divisors (see below), whose sum is σ = 346856664. Its totient is φ = 341601000.

The previous prime is 344228827. The next prime is 344228837. The reversal of 344228831 is 138822443.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 344228831 - 22 = 344228827 is a prime.

It is a super-2 number, since 2×3442288312 = 236986976183253122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 344228791 and 344228800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344228837) 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, 1313720 + ... + 1313981.

It is an arithmetic number, because the mean of its divisors is an integer number (86714166).

Almost surely, 2344228831 is an apocalyptic number.

344228831 is a deficient number, since it is larger than the sum of its proper divisors (2627833).

344228831 is a wasteful number, since it uses less digits than its factorization.

344228831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2627832.

The product of its digits is 36864, while the sum is 35.

The square root of 344228831 is about 18553.4048357707. The cubic root of 344228831 is about 700.8349431597.

The spelling of 344228831 in words is "three hundred forty-four million, two hundred twenty-eight thousand, eight hundred thirty-one".

Divisors: 1 131 2627701 344228831