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345449230 = 2575393113
BaseRepresentation
bin10100100101110…
…010001100001110
3220002000122020221
4110211302030032
51201413333410
654140101554
711363161420
oct2445621416
9802018227
10345449230
11167aa7135
12978348ba
1356751a39
1433c44810
15204da4da
hex1497230e

345449230 has 32 divisors (see below), whose sum is σ = 724054464. Its totient is φ = 116203776.

The previous prime is 345449219. The next prime is 345449233. The reversal of 345449230 is 32944543.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345449233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42847 + ... + 50266.

It is an arithmetic number, because the mean of its divisors is an integer number (22626702).

Almost surely, 2345449230 is an apocalyptic number.

345449230 is an abundant number, since it is smaller than the sum of its proper divisors (378605234).

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

345449230 is a wasteful number, since it uses less digits than its factorization.

345449230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93180.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 345449230 is about 18586.2645520825. The cubic root of 345449230 is about 701.6621927548.

The spelling of 345449230 in words is "three hundred forty-five million, four hundred forty-nine thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 35 53 70 106 265 371 530 742 1855 3710 93113 186226 465565 651791 931130 1303582 3258955 4934989 6517910 9869978 24674945 34544923 49349890 69089846 172724615 345449230