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344531109 = 3138834131
BaseRepresentation
bin10100100010010…
…010000010100101
3220000021222211110
4110202102002211
51201144443414
654104255233
711352315606
oct2442220245
9800258743
10344531109
1116752a35a
1297471519
13564bcb80
1433a85dad
15203a8459
hex148920a5

344531109 has 8 divisors (see below), whose sum is σ = 494711392. Its totient is φ = 212019120.

The previous prime is 344531101. The next prime is 344531137. The reversal of 344531109 is 901135443.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 344531109 - 23 = 344531101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344531101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4417027 + ... + 4417104.

It is an arithmetic number, because the mean of its divisors is an integer number (61838924).

Almost surely, 2344531109 is an apocalyptic number.

344531109 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

344531109 is a deficient number, since it is larger than the sum of its proper divisors (150180283).

344531109 is a wasteful number, since it uses less digits than its factorization.

344531109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8834147.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 344531109 is about 18561.5492079729. The cubic root of 344531109 is about 701.0400247666.

The spelling of 344531109 in words is "three hundred forty-four million, five hundred thirty-one thousand, one hundred nine".

Divisors: 1 3 13 39 8834131 26502393 114843703 344531109