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230151395 = 5291587251
BaseRepresentation
bin11011011011111…
…01010011100011
3121001001220100202
431231331103203
5432404321040
634500535415
75463153215
oct1555752343
9531056322
10230151395
11108a07171
12650b156b
13388b3176
14227d05b5
1515313015
hexdb7d4e3

230151395 has 8 divisors (see below), whose sum is σ = 285705360. Its totient is φ = 177772000.

The previous prime is 230151391. The next prime is 230151401. The reversal of 230151395 is 593151032.

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

It is not a de Polignac number, because 230151395 - 22 = 230151391 is a prime.

It is a super-3 number, since 3×2301513953 (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (230151391) 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, 793481 + ... + 793770.

It is an arithmetic number, because the mean of its divisors is an integer number (35713170).

Almost surely, 2230151395 is an apocalyptic number.

230151395 is a deficient number, since it is larger than the sum of its proper divisors (55553965).

230151395 is a wasteful number, since it uses less digits than its factorization.

230151395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587285.

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 230151395 is about 15170.7414123371. The cubic root of 230151395 is about 612.8269707783.

The spelling of 230151395 in words is "two hundred thirty million, one hundred fifty-one thousand, three hundred ninety-five".

Divisors: 1 5 29 145 1587251 7936255 46030279 230151395