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345030015 = 35112390917
BaseRepresentation
bin10100100100001…
…011110101111111
3220001020100012110
4110210023311333
51201311430030
654123105103
711356464261
oct2444136577
9801210173
10345030015
11167840180
1297672193
1356635c95
1433b75b31
15204561b0
hex1490bd7f

345030015 has 32 divisors (see below), whose sum is σ = 628425216. Its totient is φ = 160012160.

The previous prime is 345030001. The next prime is 345030029. The reversal of 345030015 is 510030543.

It is an interprime number because it is at equal distance from previous prime (345030001) and next prime (345030029).

It is not a de Polignac number, because 345030015 - 24 = 345029999 is a prime.

It is a super-2 number, since 2×3450300152 = 238091422501800450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 345029973 and 345030000.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 41664 + ... + 49253.

It is an arithmetic number, because the mean of its divisors is an integer number (19638288).

Almost surely, 2345030015 is an apocalyptic number.

345030015 is a deficient number, since it is larger than the sum of its proper divisors (283395201).

345030015 is a wasteful number, since it uses less digits than its factorization.

345030015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90959.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 345030015 is about 18574.9835800735. The cubic root of 345030015 is about 701.3782471395.

Adding to 345030015 its reverse (510030543), we get a palindrome (855060558).

The spelling of 345030015 in words is "three hundred forty-five million, thirty thousand, fifteen".

Divisors: 1 3 5 11 15 23 33 55 69 115 165 253 345 759 1265 3795 90917 272751 454585 1000087 1363755 2091091 3000261 5000435 6273273 10455455 15001305 23002001 31366365 69006003 115010005 345030015