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23428168 = 2323157811
BaseRepresentation
bin101100101011…
…1110001001000
31122002021101221
41121113301020
521444200133
62154051424
7403064461
oct131276110
948067357
1023428168
1112251a25
127a19b74
134b1392a
14317bd68
1520cba2d
hex1657c48

23428168 has 32 divisors (see below), whose sum is σ = 46186560. Its totient is φ = 11119680.

The previous prime is 23428147. The next prime is 23428169. The reversal of 23428168 is 86182432.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (23428169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28483 + ... + 29293.

It is an arithmetic number, because the mean of its divisors is an integer number (1443330).

Almost surely, 223428168 is an apocalyptic number.

It is an amenable number.

23428168 is a deficient number, since it is larger than the sum of its proper divisors (22758392).

23428168 is a wasteful number, since it uses less digits than its factorization.

23428168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997 (or 993 counting only the distinct ones).

The product of its digits is 18432, while the sum is 34.

The square root of 23428168 is about 4840.2652819861. The cubic root of 23428168 is about 286.1405734688.

The spelling of 23428168 in words is "twenty-three million, four hundred twenty-eight thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 23 46 92 157 184 314 628 811 1256 1622 3244 3611 6488 7222 14444 18653 28888 37306 74612 127327 149224 254654 509308 1018616 2928521 5857042 11714084 23428168