Base | Representation |
---|---|
bin | 11011011011000… |
… | …00100011111101 |
3 | 121000211220212020 |
4 | 31231200203331 |
5 | 432342034121 |
6 | 34454230353 |
7 | 5462153034 |
oct | 1555404375 |
9 | 530756766 |
10 | 230033661 |
11 | 108936770 |
12 | 650553b9 |
13 | 388716c0 |
14 | 2279d71b |
15 | 152dd1c6 |
hex | db608fd |
230033661 has 32 divisors (see below), whose sum is σ = 363968640. Its totient is φ = 127392000.
The previous prime is 230033653. The next prime is 230033707. The reversal of 230033661 is 166330032.
It is not a de Polignac number, because 230033661 - 23 = 230033653 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230033611) 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, 40675 + ... + 45983.
It is an arithmetic number, because the mean of its divisors is an integer number (11374020).
Almost surely, 2230033661 is an apocalyptic number.
It is an amenable number.
230033661 is a deficient number, since it is larger than the sum of its proper divisors (133934979).
230033661 is a wasteful number, since it uses less digits than its factorization.
230033661 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5437.
The product of its (nonzero) digits is 1944, while the sum is 24.
The square root of 230033661 is about 15166.8606178075. The cubic root of 230033661 is about 612.7224556946.
Adding to 230033661 its reverse (166330032), we get a palindrome (396363693).
The spelling of 230033661 in words is "two hundred thirty million, thirty-three thousand, six hundred sixty-one".
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