Search a number
-
+
230631273 = 33411571327
BaseRepresentation
bin11011011111100…
…10011101101001
3121001222021122000
431233302131221
5433020200043
634515121213
75500222245
oct1557623551
9531867560
10230631273
11109204764
12652a3209
1338a20712
14228b7425
15153aa2d3
hexdbf2769

230631273 has 32 divisors (see below), whose sum is σ = 352504320. Its totient is φ = 148936320.

The previous prime is 230631263. The next prime is 230631277. The reversal of 230631273 is 372136032.

230631273 is a `hidden beast` number, since 2 + 3 + 0 + 631 + 27 + 3 = 666.

It is not a de Polignac number, because 230631273 - 210 = 230630249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (230631277) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173136 + ... + 174462.

It is an arithmetic number, because the mean of its divisors is an integer number (11015760).

Almost surely, 2230631273 is an apocalyptic number.

It is an amenable number.

230631273 is a deficient number, since it is larger than the sum of its proper divisors (121873047).

230631273 is a wasteful number, since it uses less digits than its factorization.

230631273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534 (or 1528 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 230631273 is about 15186.5490813417. The cubic root of 230631273 is about 613.2526007933.

It can be divided in two parts, 23063 and 1273, that added together give a square (24336 = 1562).

The spelling of 230631273 in words is "two hundred thirty million, six hundred thirty-one thousand, two hundred seventy-three".

Divisors: 1 3 9 27 41 123 157 369 471 1107 1327 1413 3981 4239 6437 11943 19311 35829 54407 57933 163221 173799 208339 489663 625017 1468989 1875051 5625153 8541899 25625697 76877091 230631273