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23890446 = 2323493803
BaseRepresentation
bin101101100100…
…0101000001110
31122221202112100
41123020220032
522103443241
62212015530
7410031306
oct133105016
948852470
1023890446
1112538278
1280015a6
134c46178
14325c606
15216d9b6
hex16c8a0e

23890446 has 24 divisors (see below), whose sum is σ = 51924600. Its totient is φ = 7938576.

The previous prime is 23890411. The next prime is 23890453. The reversal of 23890446 is 64409832.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 23890446.

It is a congruent number.

It is an unprimeable number.

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, 4381 + ... + 8183.

It is an arithmetic number, because the mean of its divisors is an integer number (2163525).

Almost surely, 223890446 is an apocalyptic number.

23890446 is an abundant number, since it is smaller than the sum of its proper divisors (28034154).

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

23890446 is a wasteful number, since it uses less digits than its factorization.

23890446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4160 (or 4157 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 23890446 is about 4887.7853880873. The cubic root of 23890446 is about 288.0103439572.

It can be divided in two parts, 23890 and 446, that added together give a square (24336 = 1562).

The spelling of 23890446 in words is "twenty-three million, eight hundred ninety thousand, four hundred forty-six".

Divisors: 1 2 3 6 9 18 349 698 1047 2094 3141 3803 6282 7606 11409 22818 34227 68454 1327247 2654494 3981741 7963482 11945223 23890446