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345297103 = 991348433
BaseRepresentation
bin10100100101001…
…101000011001111
3220001201220120121
4110211031003033
51201344001403
654132525411
711361656044
oct2445150317
9801656517
10345297103
11167a02908
1297780867
13566ca718
1433c051cb
15204aa3bd
hex1494d0cf

345297103 has 4 divisors (see below), whose sum is σ = 345646528. Its totient is φ = 344947680.

The previous prime is 345297059. The next prime is 345297107. The reversal of 345297103 is 301792543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301792543 = 1323214811.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-345297103 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 (345297107) 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, 173226 + ... + 175207.

It is an arithmetic number, because the mean of its divisors is an integer number (86411632).

Almost surely, 2345297103 is an apocalyptic number.

345297103 is a deficient number, since it is larger than the sum of its proper divisors (349425).

345297103 is an equidigital number, since it uses as much as digits as its factorization.

345297103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349424.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 345297103 is about 18582.1716438096. The cubic root of 345297103 is about 701.5591796077.

The spelling of 345297103 in words is "three hundred forty-five million, two hundred ninety-seven thousand, one hundred three".

Divisors: 1 991 348433 345297103