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230069806 = 2178976031
BaseRepresentation
bin11011011011010…
…01011000101110
3121000220202102221
431231221120232
5432344213211
634455105554
75462363311
oct1555513056
9530822387
10230069806
1110896093a
12650722ba
1338884ca5
14227ac978
15152e8c71
hexdb6962e

230069806 has 16 divisors (see below), whose sum is σ = 369515520. Its totient is φ = 107050240.

The previous prime is 230069783. The next prime is 230069809. The reversal of 230069806 is 608960032.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230069809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34990 + ... + 41041.

It is an arithmetic number, because the mean of its divisors is an integer number (23094720).

Almost surely, 2230069806 is an apocalyptic number.

230069806 is a deficient number, since it is larger than the sum of its proper divisors (139445714).

230069806 is a wasteful number, since it uses less digits than its factorization.

230069806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76139.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 230069806 is about 15168.0521491720. The cubic root of 230069806 is about 612.7545462057.

The spelling of 230069806 in words is "two hundred thirty million, sixty-nine thousand, eight hundred six".

Divisors: 1 2 17 34 89 178 1513 3026 76031 152062 1292527 2585054 6766759 13533518 115034903 230069806