Search a number
-
+
230967045 = 345619349
BaseRepresentation
bin11011100010001…
…00011100000101
3121002121100020000
431301010130011
5433111421140
634530231513
75503121211
oct1561043405
9532540200
10230967045
11109413a61
1265425599
1338b0a4ba
1422963941
1515424a30
hexdc44705

230967045 has 40 divisors (see below), whose sum is σ = 420862200. Its totient is φ = 121150080.

The previous prime is 230967013. The next prime is 230967053. The reversal of 230967045 is 540769032.

It can be written as a sum of positive squares in 4 ways, for example, as 11512449 + 219454596 = 3393^2 + 14814^2 .

It is not a de Polignac number, because 230967045 - 25 = 230967013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20031 + ... + 29379.

It is an arithmetic number, because the mean of its divisors is an integer number (10521555).

Almost surely, 2230967045 is an apocalyptic number.

It is an amenable number.

230967045 is a deficient number, since it is larger than the sum of its proper divisors (189895155).

230967045 is an equidigital number, since it uses as much as digits as its factorization.

230967045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9427 (or 9418 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 230967045 is about 15197.5999749961. The cubic root of 230967045 is about 613.5500643621.

The spelling of 230967045 in words is "two hundred thirty million, nine hundred sixty-seven thousand, forty-five".

Divisors: 1 3 5 9 15 27 45 61 81 135 183 305 405 549 915 1647 2745 4941 8235 9349 24705 28047 46745 84141 140235 252423 420705 570289 757269 1262115 1710867 2851445 3786345 5132601 8554335 15397803 25663005 46193409 76989015 230967045