Search a number
-
+
23850990 = 233588337
BaseRepresentation
bin101101011111…
…0111111101110
31122212202102000
41122332333232
522101212430
62211113130
7406505262
oct132767756
948782360
1023850990
1112510669
127ba27a6
134c31217
14324c0a2
152161e60
hex16befee

23850990 has 32 divisors (see below), whose sum is σ = 63603360. Its totient is φ = 6360192.

The previous prime is 23850979. The next prime is 23851013. The reversal of 23850990 is 9905832.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43899 + ... + 44438.

It is an arithmetic number, because the mean of its divisors is an integer number (1987605).

Almost surely, 223850990 is an apocalyptic number.

23850990 is an abundant number, since it is smaller than the sum of its proper divisors (39752370).

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

23850990 is a wasteful number, since it uses less digits than its factorization.

23850990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88353 (or 88347 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 23850990 is about 4883.7475364724. The cubic root of 23850990 is about 287.8517031661.

The spelling of 23850990 in words is "twenty-three million, eight hundred fifty thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 88337 176674 265011 441685 530022 795033 883370 1325055 1590066 2385099 2650110 3975165 4770198 7950330 11925495 23850990