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230121597 = 3194037221
BaseRepresentation
bin11011011011101…
…10000001111101
3121001000101111010
431231312001331
5432402342342
634500145433
75463000306
oct1555660175
9531011433
10230121597
11108996842
1265098279
13388a2734
14227c37ad
151530929c
hexdb7607d

230121597 has 8 divisors (see below), whose sum is σ = 322977760. Its totient is φ = 145339920.

The previous prime is 230121523. The next prime is 230121613. The reversal of 230121597 is 795121032.

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

It is not a de Polignac number, because 230121597 - 216 = 230056061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230121497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2018554 + ... + 2018667.

It is an arithmetic number, because the mean of its divisors is an integer number (40372220).

Almost surely, 2230121597 is an apocalyptic number.

It is an amenable number.

230121597 is a deficient number, since it is larger than the sum of its proper divisors (92856163).

230121597 is a wasteful number, since it uses less digits than its factorization.

230121597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4037243.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 230121597 is about 15169.7592927508. The cubic root of 230121597 is about 612.8005218022.

The spelling of 230121597 in words is "two hundred thirty million, one hundred twenty-one thousand, five hundred ninety-seven".

Divisors: 1 3 19 57 4037221 12111663 76707199 230121597