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42068232 = 2332584281
BaseRepresentation
bin1010000001111…
…0100100001000
32221011021202200
42200132210020
541232140412
64101400200
71020400623
oct240364410
987137680
1042068232
1121823538
1212109060
13893c05b
145830dba
153a5e9dc
hex281e908

42068232 has 24 divisors (see below), whose sum is σ = 113934990. Its totient is φ = 14022720.

The previous prime is 42068231. The next prime is 42068249. The reversal of 42068232 is 23286024.

42068232 is a `hidden beast` number, since 420 + 6 + 8 + 232 = 666.

It can be written as a sum of positive squares in only one way, i.e., 42068196 + 36 = 6486^2 + 6^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×420682322 = 3539472287211648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42068196 and 42068205.

It is not an unprimeable number, because it can be changed into a prime (42068231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 292069 + ... + 292212.

Almost surely, 242068232 is an apocalyptic number.

It is an amenable number.

42068232 is an abundant number, since it is smaller than the sum of its proper divisors (71866758).

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

42068232 is a wasteful number, since it uses less digits than its factorization.

42068232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584293 (or 584286 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 42068232 is about 6486.0027752075. The cubic root of 42068232 is about 347.7907977658.

The spelling of 42068232 in words is "forty-two million, sixty-eight thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 584281 1168562 1752843 2337124 3505686 4674248 5258529 7011372 10517058 14022744 21034116 42068232