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23989274 = 211994637
BaseRepresentation
bin101101110000…
…0110000011010
31200010210002122
41123200300122
522120124044
62214101242
7410622401
oct133406032
950123078
1023989274
11125a5551
12804a822
134c7c14a
143286638
15218cdee
hex16e0c1a

23989274 has 4 divisors (see below), whose sum is σ = 35983914. Its totient is φ = 11994636.

The previous prime is 23989271. The next prime is 23989289. The reversal of 23989274 is 47298932.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19758025 + 4231249 = 4445^2 + 2057^2 .

It is not an unprimeable number, because it can be changed into a prime (23989271) 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 as a sum of consecutive naturals, namely, 5997317 + ... + 5997320.

Almost surely, 223989274 is an apocalyptic number.

23989274 is a deficient number, since it is larger than the sum of its proper divisors (11994640).

23989274 is a wasteful number, since it uses less digits than its factorization.

23989274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11994639.

The product of its digits is 217728, while the sum is 44.

The square root of 23989274 is about 4897.8846454362. The cubic root of 23989274 is about 288.4069366337.

The spelling of 23989274 in words is "twenty-three million, nine hundred eighty-nine thousand, two hundred seventy-four".

Divisors: 1 2 11994637 23989274