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345869000 = 2353345869
BaseRepresentation
bin10100100111011…
…000101011001000
3220002210222001222
4110213120223020
51202020302000
654153101212
711366560301
oct2447305310
9802728058
10345869000
11168263554
12979b7808
135686ab19
1433d137a8
152056ea85
hex149d8ac8

345869000 has 32 divisors (see below), whose sum is σ = 809335800. Its totient is φ = 138347200.

The previous prime is 345868987. The next prime is 345869003. The reversal of 345869000 is 968543.

It can be written as a sum of positive squares in 4 ways, for example, as 134050084 + 211818916 = 11578^2 + 14554^2 .

It is a super-2 number, since 2×3458690002 = 239250730322000000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (345869003) 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 7 ways as a sum of consecutive naturals, for example, 171935 + ... + 173934.

Almost surely, 2345869000 is an apocalyptic number.

It is an amenable number.

345869000 is an abundant number, since it is smaller than the sum of its proper divisors (463466800).

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

345869000 is a wasteful number, since it uses less digits than its factorization.

345869000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345890 (or 345876 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 345869000 is about 18597.5536025575. The cubic root of 345869000 is about 701.9462842046.

The spelling of 345869000 in words is "three hundred forty-five million, eight hundred sixty-nine thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 345869 691738 1383476 1729345 2766952 3458690 6917380 8646725 13834760 17293450 34586900 43233625 69173800 86467250 172934500 345869000