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23708142 = 2321317119
BaseRepresentation
bin101101001110…
…0000111101110
31122121111110100
41122130013232
522032130032
62204051530
7405341643
oct132340756
948544410
1023708142
1112423307
127b33ba6
134bb11b3
143211dca
15213497c
hex169c1ee

23708142 has 12 divisors (see below), whose sum is σ = 51367680. Its totient is φ = 7902708.

The previous prime is 23708131. The next prime is 23708159. The reversal of 23708142 is 24180732.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 658542 + ... + 658577.

It is an arithmetic number, because the mean of its divisors is an integer number (4280640).

Almost surely, 223708142 is an apocalyptic number.

23708142 is an abundant number, since it is smaller than the sum of its proper divisors (27659538).

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

23708142 is a wasteful number, since it uses less digits than its factorization.

23708142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317127 (or 1317124 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 23708142 is about 4869.1007383294. The cubic root of 23708142 is about 287.2758863386.

Adding to 23708142 its reverse (24180732), we get a palindrome (47888874).

The spelling of 23708142 in words is "twenty-three million, seven hundred eight thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 1317119 2634238 3951357 7902714 11854071 23708142