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345340555 = 5729340237
BaseRepresentation
bin10100100101010…
…111101010001011
3220001211010011221
4110211113222023
51201401344210
654133502511
711362226530
oct2445275213
9801733157
10345340555
11167a3251a
12977a1a37
1356714431
1433c16d87
15204b81da
hex14957a8b

345340555 has 16 divisors (see below), whose sum is σ = 489942720. Its totient is φ = 228638592.

The previous prime is 345340553. The next prime is 345340571. The reversal of 345340555 is 555043543.

It is not a de Polignac number, because 345340555 - 21 = 345340553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345340555.

It is not an unprimeable number, because it can be changed into a prime (345340553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169104 + ... + 171133.

It is an arithmetic number, because the mean of its divisors is an integer number (30621420).

Almost surely, 2345340555 is an apocalyptic number.

345340555 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

345340555 is a deficient number, since it is larger than the sum of its proper divisors (144602165).

345340555 is a wasteful number, since it uses less digits than its factorization.

345340555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340278.

The product of its (nonzero) digits is 90000, while the sum is 34.

The square root of 345340555 is about 18583.3407922257. The cubic root of 345340555 is about 701.5886063155.

The spelling of 345340555 in words is "three hundred forty-five million, three hundred forty thousand, five hundred fifty-five".

Divisors: 1 5 7 29 35 145 203 1015 340237 1701185 2381659 9866873 11908295 49334365 69068111 345340555