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23728342 = 2112711381
BaseRepresentation
bin101101010000…
…1000011010110
31122122112011111
41122201003112
522033301332
62204325234
7405454561
oct132410326
948575144
1023728342
1112437500
127b4381a
134bba451
1432194d8
15213a947
hex16a10d6

23728342 has 24 divisors (see below), whose sum is σ = 39702096. Its totient is φ = 10626000.

The previous prime is 23728297. The next prime is 23728343. The reversal of 23728342 is 24382732.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23728343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16492 + ... + 17872.

It is an arithmetic number, because the mean of its divisors is an integer number (1654254).

Almost surely, 223728342 is an apocalyptic number.

23728342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23728342 is a deficient number, since it is larger than the sum of its proper divisors (15973754).

23728342 is a wasteful number, since it uses less digits than its factorization.

23728342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476 (or 1465 counting only the distinct ones).

The product of its digits is 16128, while the sum is 31.

The square root of 23728342 is about 4871.1746016746. The cubic root of 23728342 is about 287.3574522072.

The spelling of 23728342 in words is "twenty-three million, seven hundred twenty-eight thousand, three hundred forty-two".

Divisors: 1 2 11 22 71 121 142 242 781 1381 1562 2762 8591 15191 17182 30382 98051 167101 196102 334202 1078561 2157122 11864171 23728342