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344531130 = 23541927409
BaseRepresentation
bin10100100010010…
…010000010111010
3220000021222212020
4110202102002322
51201144444010
654104255310
711352315636
oct2442220272
9800258766
10344531130
1116752a379
1297471536
13564bcb98
1433a85dc6
15203a8470
hex148920ba

344531130 has 32 divisors (see below), whose sum is σ = 828878400. Its totient is φ = 91652352.

The previous prime is 344531101. The next prime is 344531137. The reversal of 344531130 is 31135443.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 344531130.

It is not an unprimeable number, because it can be changed into a prime (344531137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1135 + ... + 26274.

It is an arithmetic number, because the mean of its divisors is an integer number (25902450).

Almost surely, 2344531130 is an apocalyptic number.

344531130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

344531130 is an abundant number, since it is smaller than the sum of its proper divisors (484347270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

344531130 is a wasteful number, since it uses less digits than its factorization.

344531130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27838.

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

The square root of 344531130 is about 18561.5497736584. The cubic root of 344531130 is about 701.0400390099.

Adding to 344531130 its reverse (31135443), we get a palindrome (375666573).

The spelling of 344531130 in words is "three hundred forty-four million, five hundred thirty-one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 419 838 1257 2095 2514 4190 6285 12570 27409 54818 82227 137045 164454 274090 411135 822270 11484371 22968742 34453113 57421855 68906226 114843710 172265565 344531130