Search a number
-
+
344420031 = 3114806677
BaseRepresentation
bin10100100001110…
…110111010111111
3220000002100110110
4110201312322333
51201132420111
654102041103
711351344014
oct2441667277
9800070413
10344420031
1116746395a
1297419193
1356481447
1433a5770b
15203855a6
hex14876ebf

344420031 has 4 divisors (see below), whose sum is σ = 459226712. Its totient is φ = 229613352.

The previous prime is 344420003. The next prime is 344420033. The reversal of 344420031 is 130024443.

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

It is not a de Polignac number, because 344420031 - 210 = 344419007 is a prime.

It is a super-2 number, since 2×3444200312 = 237250315508081922, 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 (344420033) 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, 57403336 + ... + 57403341.

It is an arithmetic number, because the mean of its divisors is an integer number (114806678).

Almost surely, 2344420031 is an apocalyptic number.

344420031 is a deficient number, since it is larger than the sum of its proper divisors (114806681).

344420031 is a wasteful number, since it uses less digits than its factorization.

344420031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114806680.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 344420031 is about 18558.5568135025. The cubic root of 344420031 is about 700.9646774401.

Adding to 344420031 its reverse (130024443), we get a palindrome (474444474).

The spelling of 344420031 in words is "three hundred forty-four million, four hundred twenty thousand, thirty-one".

Divisors: 1 3 114806677 344420031