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230761142 = 21131021067
BaseRepresentation
bin11011100000100…
…10001010110110
3121002012212202222
431300102022312
5433033324032
634522002342
75501303003
oct1560221266
9532185688
10230761142
11109293297
12653463b2
1338a67871
142290c8aa
15153d3a12
hexdc122b6

230761142 has 8 divisors (see below), whose sum is σ = 349205256. Its totient is φ = 114359392.

The previous prime is 230761127. The next prime is 230761151. The reversal of 230761142 is 241167032.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510308 + ... + 510759.

It is an arithmetic number, because the mean of its divisors is an integer number (43650657).

Almost surely, 2230761142 is an apocalyptic number.

230761142 is a deficient number, since it is larger than the sum of its proper divisors (118444114).

230761142 is a wasteful number, since it uses less digits than its factorization.

230761142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021182.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 230761142 is about 15190.8242699335. The cubic root of 230761142 is about 613.3676871773.

The spelling of 230761142 in words is "two hundred thirty million, seven hundred sixty-one thousand, one hundred forty-two".

Divisors: 1 2 113 226 1021067 2042134 115380571 230761142