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344531013 = 3377514133
BaseRepresentation
bin10100100010010…
…010000001000101
3220000021222200220
4110202102001011
51201144443023
654104254553
711352315411
oct2442220105
9800258626
10344531013
1116752a282
1297471459
13564bcb08
1433a85d41
15203a83e3
hex14892045

344531013 has 16 divisors (see below), whose sum is σ = 472532736. Its totient is φ = 223128000.

The previous prime is 344530999. The next prime is 344531017. The reversal of 344531013 is 310135443.

It is a happy number.

It is not a de Polignac number, because 344531013 - 28 = 344530757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344531017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81295 + ... + 85427.

It is an arithmetic number, because the mean of its divisors is an integer number (29533296).

Almost surely, 2344531013 is an apocalyptic number.

It is an amenable number.

344531013 is a deficient number, since it is larger than the sum of its proper divisors (128001723).

344531013 is a wasteful number, since it uses less digits than its factorization.

344531013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4924.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 344531013 is about 18561.5466219817. The cubic root of 344531013 is about 701.0399596541.

Adding to 344531013 its reverse (310135443), we get a palindrome (654666456).

The spelling of 344531013 in words is "three hundred forty-four million, five hundred thirty-one thousand, thirteen".

Divisors: 1 3 37 111 751 2253 4133 12399 27787 83361 152921 458763 3103883 9311649 114843671 344531013