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345784030 = 2534578403
BaseRepresentation
bin10100100111000…
…011111011011110
3220002122122111221
4110213003323132
51202010042110
654151203554
711366054464
oct2447037336
9802578457
10345784030
11168205729
12979765ba
135683b247
1433cd0834
15205547da
hex149c3ede

345784030 has 8 divisors (see below), whose sum is σ = 622411272. Its totient is φ = 138313608.

The previous prime is 345784009. The next prime is 345784039. The reversal of 345784030 is 30487543.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345784039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17289192 + ... + 17289211.

It is an arithmetic number, because the mean of its divisors is an integer number (77801409).

Almost surely, 2345784030 is an apocalyptic number.

345784030 is a deficient number, since it is larger than the sum of its proper divisors (276627242).

345784030 is a wasteful number, since it uses less digits than its factorization.

345784030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34578410.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 345784030 is about 18595.2690219851. The cubic root of 345784030 is about 701.8887968701. Note that the first 3 decimals are identical.

The spelling of 345784030 in words is "three hundred forty-five million, seven hundred eighty-four thousand, thirty".

Divisors: 1 2 5 10 34578403 69156806 172892015 345784030