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345510133 = 2771247329
BaseRepresentation
bin10100100110000…
…001000011110101
3220002010201210121
4110212001003311
51201422311013
654141251541
711363534113
oct2446010365
9802121717
10345510133
11168038971
1297863bb1
1356773687
1433c5cab3
15204ed58d
hex149810f5

345510133 has 4 divisors (see below), whose sum is σ = 346757740. Its totient is φ = 344262528.

The previous prime is 345510119. The next prime is 345510149. The reversal of 345510133 is 331015543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331015543 = 1671982129.

It can be written as a sum of positive squares in 2 ways, for example, as 128890609 + 216619524 = 11353^2 + 14718^2 .

It is a cyclic number.

It is not a de Polignac number, because 345510133 - 213 = 345501941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345510098 and 345510107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345510173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 623388 + ... + 623941.

It is an arithmetic number, because the mean of its divisors is an integer number (86689435).

Almost surely, 2345510133 is an apocalyptic number.

It is an amenable number.

345510133 is a deficient number, since it is larger than the sum of its proper divisors (1247607).

345510133 is a wasteful number, since it uses less digits than its factorization.

345510133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247606.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 345510133 is about 18587.9028671876. The cubic root of 345510133 is about 701.7034248836.

Adding to 345510133 its reverse (331015543), we get a palindrome (676525676).

The spelling of 345510133 in words is "three hundred forty-five million, five hundred ten thousand, one hundred thirty-three".

Divisors: 1 277 1247329 345510133