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23768290 = 2571326119
BaseRepresentation
bin101101010101…
…0110011100010
31122201112222001
41122222303202
522041041130
62205234214
7406012210
oct132526342
948645861
1023768290
1112464517
127b6296a
134c026a0
143229cb0
1521476ca
hex16aace2

23768290 has 32 divisors (see below), whose sum is σ = 52657920. Its totient is φ = 7521984.

The previous prime is 23768287. The next prime is 23768291. The reversal of 23768290 is 9286732.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (23768291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12150 + ... + 13969.

It is an arithmetic number, because the mean of its divisors is an integer number (1645560).

Almost surely, 223768290 is an apocalyptic number.

23768290 is an abundant number, since it is smaller than the sum of its proper divisors (28889630).

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

23768290 is a wasteful number, since it uses less digits than its factorization.

23768290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26146.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 23768290 is about 4875.2733256711. The cubic root of 23768290 is about 287.5186226122.

The spelling of 23768290 in words is "twenty-three million, seven hundred sixty-eight thousand, two hundred ninety".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 910 26119 52238 130595 182833 261190 339547 365666 679094 914165 1697735 1828330 2376829 3395470 4753658 11884145 23768290