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230120303 = 7163201683
BaseRepresentation
bin11011011011101…
…01101101101111
3121001000022201012
431231311231233
5432402322203
634500135435
75462663450
oct1555655557
9531008635
10230120303
11108995876
126509757b
13388a1c7a
14227c3127
1515308bd8
hexdb75b6f

230120303 has 8 divisors (see below), whose sum is σ = 264609408. Its totient is φ = 196034904.

The previous prime is 230120291. The next prime is 230120311. The reversal of 230120303 is 303021032.

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 230120303 - 212 = 230116207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230120333) 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, 99701 + ... + 101982.

It is an arithmetic number, because the mean of its divisors is an integer number (33076176).

Almost surely, 2230120303 is an apocalyptic number.

230120303 is a deficient number, since it is larger than the sum of its proper divisors (34489105).

230120303 is a wasteful number, since it uses less digits than its factorization.

230120303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201853.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 230120303 is about 15169.7166420471. The cubic root of 230120303 is about 612.7993731843.

Adding to 230120303 its reverse (303021032), we get a palindrome (533141335).

The spelling of 230120303 in words is "two hundred thirty million, one hundred twenty thousand, three hundred three".

Divisors: 1 7 163 1141 201683 1411781 32874329 230120303