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230555051 = 6131711923
BaseRepresentation
bin11011011110111…
…11110110101011
3121001211102001222
431233133312223
5433010230201
634513332255
75466454106
oct1557376653
9531742058
10230555051
11109162471
126526708b
13389c4b0c
142289773d
151539291b
hexdbdfdab

230555051 has 8 divisors (see below), whose sum is σ = 235093584. Its totient is φ = 226041120.

The previous prime is 230555011. The next prime is 230555077. The reversal of 230555051 is 150555032.

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 230555051 - 226 = 163446187 is a prime.

It is a super-2 number, since 2×2305550512 = 106311263083225202, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 230555051.

It is not an unprimeable number, because it can be changed into a prime (230555011) 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, 13376 + ... + 25298.

It is an arithmetic number, because the mean of its divisors is an integer number (29386698).

Almost surely, 2230555051 is an apocalyptic number.

230555051 is a deficient number, since it is larger than the sum of its proper divisors (4538533).

230555051 is a wasteful number, since it uses less digits than its factorization.

230555051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12301.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 230555051 is about 15184.0393505813. The cubic root of 230555051 is about 613.1850348044.

The spelling of 230555051 in words is "two hundred thirty million, five hundred fifty-five thousand, fifty-one".

Divisors: 1 61 317 11923 19337 727303 3779591 230555051