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23031314 = 211515657
BaseRepresentation
bin101011111011…
…0111000010010
31121100010000122
41113312320102
521344000224
62141350242
7366522455
oct127667022
947303018
1023031314
1112000849
127868382
134a050c7
1430b749c
15204e15e
hex15f6e12

23031314 has 4 divisors (see below), whose sum is σ = 34546974. Its totient is φ = 11515656.

The previous prime is 23031313. The next prime is 23031319. The reversal of 23031314 is 41313032.

It is a happy number.

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., 18344089 + 4687225 = 4283^2 + 2165^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23031292 and 23031301.

It is not an unprimeable number, because it can be changed into a prime (23031313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5757827 + ... + 5757830.

Almost surely, 223031314 is an apocalyptic number.

23031314 is a deficient number, since it is larger than the sum of its proper divisors (11515660).

23031314 is a wasteful number, since it uses less digits than its factorization.

23031314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11515659.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 23031314 is about 4799.0951230414. The cubic root of 23031314 is about 284.5157015600.

Adding to 23031314 its reverse (41313032), we get a palindrome (64344346).

The spelling of 23031314 in words is "twenty-three million, thirty-one thousand, three hundred fourteen".

Divisors: 1 2 11515657 23031314