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23309914 = 211654957
BaseRepresentation
bin101100011101…
…0111001011010
31121212021012011
41120322321122
521431404124
62151340134
7402062635
oct130727132
947767164
1023309914
11121810a1
12798164a
134aa1b64
14314ac1c
1520a6994
hex163ae5a

23309914 has 4 divisors (see below), whose sum is σ = 34964874. Its totient is φ = 11654956.

The previous prime is 23309911. The next prime is 23309927. The reversal of 23309914 is 41990332.

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., 22137025 + 1172889 = 4705^2 + 1083^2 .

It is not an unprimeable number, because it can be changed into a prime (23309911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5827477 + ... + 5827480.

Almost surely, 223309914 is an apocalyptic number.

23309914 is a deficient number, since it is larger than the sum of its proper divisors (11654960).

23309914 is a wasteful number, since it uses less digits than its factorization.

23309914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11654959.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 23309914 is about 4828.0341755211. The cubic root of 23309914 is about 285.6583283509.

The spelling of 23309914 in words is "twenty-three million, three hundred nine thousand, nine hundred fourteen".

Divisors: 1 2 11654957 23309914