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230132837 = 1153394739
BaseRepresentation
bin11011011011110…
…00110001100101
3121001000221220102
431231320301211
5432403222322
634500313445
75463045134
oct1555706145
9531027812
10230132837
111089a4230
12650a2885
13388a789c
14227c791b
151530c792
hexdb78c65

230132837 has 8 divisors (see below), whose sum is σ = 255791520. Its totient is φ = 205263760.

The previous prime is 230132831. The next prime is 230132849. The reversal of 230132837 is 738231032.

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 230132837 - 216 = 230067301 is a prime.

It is a super-2 number, since 2×2301328372 = 105922245331337138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230132831) 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, 196787 + ... + 197952.

It is an arithmetic number, because the mean of its divisors is an integer number (31973940).

Almost surely, 2230132837 is an apocalyptic number.

It is an amenable number.

230132837 is a deficient number, since it is larger than the sum of its proper divisors (25658683).

230132837 is a wasteful number, since it uses less digits than its factorization.

230132837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394803.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 230132837 is about 15170.1297621345. The cubic root of 230132837 is about 612.8104987967.

Adding to 230132837 its reverse (738231032), we get a palindrome (968363869).

The spelling of 230132837 in words is "two hundred thirty million, one hundred thirty-two thousand, eight hundred thirty-seven".

Divisors: 1 11 53 583 394739 4342129 20921167 230132837