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345542213 = 3118161583
BaseRepresentation
bin10100100110001…
…000111001000101
3220002012100210202
4110212020321011
51201424322323
654142100245
711364026462
oct2446107105
9802170722
10345542213
1116805aa85
129787a685
1356785163
1433c6a669
1520507d28
hex14988e45

345542213 has 8 divisors (see below), whose sum is σ = 358665216. Its totient is φ = 332542800.

The previous prime is 345542147. The next prime is 345542243. The reversal of 345542213 is 312245543.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 345542213 - 28 = 345541957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345542243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25181 + ... + 36402.

It is an arithmetic number, because the mean of its divisors is an integer number (44833152).

Almost surely, 2345542213 is an apocalyptic number.

It is an amenable number.

345542213 is a deficient number, since it is larger than the sum of its proper divisors (13123003).

345542213 is a wasteful number, since it uses less digits than its factorization.

345542213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61795.

The product of its digits is 14400, while the sum is 29.

The square root of 345542213 is about 18588.7657739830. The cubic root of 345542213 is about 701.7251415156.

Adding to 345542213 its reverse (312245543), we get a palindrome (657787756).

The spelling of 345542213 in words is "three hundred forty-five million, five hundred forty-two thousand, two hundred thirteen".

Divisors: 1 31 181 5611 61583 1909073 11146523 345542213