Search a number
-
+
236666068 = 22281210557
BaseRepresentation
bin11100001101100…
…11110011010100
3121111022212210221
432012303303110
5441041303233
635252324124
75602425352
oct1606636324
9544285727
10236666068
111116567a1
1267313644
133a0544c2
14236087d2
1515b9d42d
hexe1b3cd4

236666068 has 12 divisors (see below), whose sum is σ = 415641492. Its totient is φ = 117911360.

The previous prime is 236666047. The next prime is 236666069. The reversal of 236666068 is 860666632.

It can be written as a sum of positive squares in 2 ways, for example, as 153710404 + 82955664 = 12398^2 + 9108^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (236666069) 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, 104155 + ... + 106402.

It is an arithmetic number, because the mean of its divisors is an integer number (34636791).

Almost surely, 2236666068 is an apocalyptic number.

It is an amenable number.

236666068 is a deficient number, since it is larger than the sum of its proper divisors (178975424).

236666068 is a wasteful number, since it uses less digits than its factorization.

236666068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210842 (or 210840 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 43.

The square root of 236666068 is about 15383.9548881294. The cubic root of 236666068 is about 618.5554890008. Note that the first 3 decimals are identical.

The spelling of 236666068 in words is "two hundred thirty-six million, six hundred sixty-six thousand, sixty-eight".

Divisors: 1 2 4 281 562 1124 210557 421114 842228 59166517 118333034 236666068