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345809300 = 22523458093
BaseRepresentation
bin10100100111001…
…010000110010100
3220002200221011212
4110213022012110
51202011344200
654151520552
711366221244
oct2447120624
9802627155
10345809300
11168222711
1297989158
13568498b5
1433cd9b24
152055c035
hex149ca194

345809300 has 18 divisors (see below), whose sum is σ = 750406398. Its totient is φ = 138323680.

The previous prime is 345809287. The next prime is 345809323. The reversal of 345809300 is 3908543.

It can be written as a sum of positive squares in 3 ways, for example, as 110923024 + 234886276 = 10532^2 + 15326^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1728947 + ... + 1729146.

Almost surely, 2345809300 is an apocalyptic number.

It is an amenable number.

345809300 is an abundant number, since it is smaller than the sum of its proper divisors (404597098).

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

345809300 is a wasteful number, since it uses less digits than its factorization.

345809300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3458107 (or 3458100 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 345809300 is about 18595.9484834735. The cubic root of 345809300 is about 701.9058945344.

The spelling of 345809300 in words is "three hundred forty-five million, eight hundred nine thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 3458093 6916186 13832372 17290465 34580930 69161860 86452325 172904650 345809300