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230606057 = 1129722903
BaseRepresentation
bin11011011111011…
…00010011101001
3121001221000001002
431233230103221
5433013343212
634514404345
75500055603
oct1557542351
9531830032
10230606057
11109197820
12652906b5
1338a120b6
14228ac173
15153a2ac2
hexdbec4e9

230606057 has 8 divisors (see below), whose sum is σ = 260245440. Its totient is φ = 202412560.

The previous prime is 230606053. The next prime is 230606063. The reversal of 230606057 is 750606032.

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 230606057 - 22 = 230606053 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230606053) 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, 361133 + ... + 361770.

It is an arithmetic number, because the mean of its divisors is an integer number (32530680).

Almost surely, 2230606057 is an apocalyptic number.

It is an amenable number.

230606057 is a deficient number, since it is larger than the sum of its proper divisors (29639383).

230606057 is a wasteful number, since it uses less digits than its factorization.

230606057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722943.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 230606057 is about 15185.7188502883. The cubic root of 230606057 is about 613.2302500499.

The spelling of 230606057 in words is "two hundred thirty million, six hundred six thousand, fifty-seven".

Divisors: 1 11 29 319 722903 7951933 20964187 230606057