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230742402 = 23112317827
BaseRepresentation
bin11011100000011…
…01100110000010
3121002011221001220
431300031212002
5433032224102
634521335510
75501164242
oct1560154602
9532157056
10230742402
11109280200
1265337596
1338a5c187
1422905b22
15153cd1bc
hexdc0d982

230742402 has 24 divisors (see below), whose sum is σ = 507253488. Its totient is φ = 69921720.

The previous prime is 230742389. The next prime is 230742409. The reversal of 230742402 is 204247032.

230742402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (230742409) 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, 158188 + ... + 159639.

It is an arithmetic number, because the mean of its divisors is an integer number (21135562).

Almost surely, 2230742402 is an apocalyptic number.

230742402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

230742402 is an abundant number, since it is smaller than the sum of its proper divisors (276511086).

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

230742402 is a wasteful number, since it uses less digits than its factorization.

230742402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317854 (or 317843 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 230742402 is about 15190.2074376883. The cubic root of 230742402 is about 613.3510829641.

Adding to 230742402 its reverse (204247032), we get a palindrome (434989434).

The spelling of 230742402 in words is "two hundred thirty million, seven hundred forty-two thousand, four hundred two".

Divisors: 1 2 3 6 11 22 33 66 121 242 363 726 317827 635654 953481 1906962 3496097 6992194 10488291 20976582 38457067 76914134 115371201 230742402