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230166443 = 1329360427
BaseRepresentation
bin11011011100000…
…00111110101011
3121001002200000002
431232000332223
5432410311233
634501133215
75463245123
oct1556007653
9531080002
10230166443
11108a17501
12650ba20b
13388b9c80
14227d5c83
15153176e8
hexdb80fab

230166443 has 8 divisors (see below), whose sum is σ = 248721648. Its totient is φ = 211732704.

The previous prime is 230166407. The next prime is 230166449. The reversal of 230166443 is 344661032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 230166443 - 28 = 230166187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230166449) 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, 26405 + ... + 34022.

It is an arithmetic number, because the mean of its divisors is an integer number (31090206).

Almost surely, 2230166443 is an apocalyptic number.

230166443 is a deficient number, since it is larger than the sum of its proper divisors (18555205).

230166443 is a wasteful number, since it uses less digits than its factorization.

230166443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60733.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 230166443 is about 15171.2373588973. The cubic root of 230166443 is about 612.8403266525.

The spelling of 230166443 in words is "two hundred thirty million, one hundred sixty-six thousand, four hundred forty-three".

Divisors: 1 13 293 3809 60427 785551 17705111 230166443