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230204142 = 23271827017
BaseRepresentation
bin11011011100010…
…10001011101110
3121001011120201100
431232022023232
5432413013032
634502023530
75463463050
oct1556121356
9531146640
10230204142
11108a42863
1265117ba6
133890118c
14228058d0
151532397c
hexdb8a2ee

230204142 has 24 divisors (see below), whose sum is σ = 570029616. Its totient is φ = 65772576.

The previous prime is 230204141. The next prime is 230204147. The reversal of 230204142 is 241402032.

230204142 is a `hidden beast` number, since 230 + 20 + 414 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230204141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 913383 + ... + 913634.

It is an arithmetic number, because the mean of its divisors is an integer number (23751234).

Almost surely, 2230204142 is an apocalyptic number.

230204142 is an abundant number, since it is smaller than the sum of its proper divisors (339825474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230204142 is a wasteful number, since it uses less digits than its factorization.

230204142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1827032 (or 1827029 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 230204142 is about 15172.4797577720. The cubic root of 230204142 is about 612.8737838990.

Adding to 230204142 its reverse (241402032), we get a palindrome (471606174).

The spelling of 230204142 in words is "two hundred thirty million, two hundred four thousand, one hundred forty-two".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 1827017 3654034 5481051 10962102 12789119 16443153 25578238 32886306 38367357 76734714 115102071 230204142