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345297148 = 227119310337
BaseRepresentation
bin10100100101001…
…101000011111100
3220001201220122021
4110211031003330
51201344002043
654132525524
711361656140
oct2445150374
9801656567
10345297148
11167a02949
12977808a4
13566ca751
1433c05220
15204aa3ed
hex1494d0fc

345297148 has 24 divisors (see below), whose sum is σ = 691240032. Its totient is φ = 147846144.

The previous prime is 345297133. The next prime is 345297157. The reversal of 345297148 is 841792543.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28236 + ... + 38572.

It is an arithmetic number, because the mean of its divisors is an integer number (28801668).

Almost surely, 2345297148 is an apocalyptic number.

It is an amenable number.

345297148 is an abundant number, since it is smaller than the sum of its proper divisors (345942884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345297148 is a wasteful number, since it uses less digits than its factorization.

345297148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11541 (or 11539 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The square root of 345297148 is about 18582.1728546475. The cubic root of 345297148 is about 701.5592100841.

The spelling of 345297148 in words is "three hundred forty-five million, two hundred ninety-seven thousand, one hundred forty-eight".

Divisors: 1 2 4 7 14 28 1193 2386 4772 8351 10337 16702 20674 33404 41348 72359 144718 289436 12332041 24664082 49328164 86324287 172648574 345297148