Search a number
-
+
345185292 = 22343916551
BaseRepresentation
bin10100100100110…
…001110000001100
3220001112020012110
4110210301300030
51201331412132
654130304020
711361012054
oct2444616014
9801466173
10345185292
11167936901
1297728010
135668b86a
1433bb6564
15204871cc
hex14931c0c

345185292 has 24 divisors (see below), whose sum is σ = 805738752. Its totient is φ = 115018000.

The previous prime is 345185287. The next prime is 345185299. The reversal of 345185292 is 292581543.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 345185292.

It is not an unprimeable number, because it can be changed into a prime (345185299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49417 + ... + 55967.

It is an arithmetic number, because the mean of its divisors is an integer number (33572448).

Almost surely, 2345185292 is an apocalyptic number.

It is an amenable number.

345185292 is an abundant number, since it is smaller than the sum of its proper divisors (460553460).

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

345185292 is a wasteful number, since it uses less digits than its factorization.

345185292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10949 (or 10947 counting only the distinct ones).

The product of its digits is 86400, while the sum is 39.

The square root of 345185292 is about 18579.1628444341. The cubic root of 345185292 is about 701.4834472398.

The spelling of 345185292 in words is "three hundred forty-five million, one hundred eighty-five thousand, two hundred ninety-two".

Divisors: 1 2 3 4 6 12 4391 6551 8782 13102 13173 17564 19653 26204 26346 39306 52692 78612 28765441 57530882 86296323 115061764 172592646 345185292