Search a number
-
+
23140310 = 259672393
BaseRepresentation
bin101100001000…
…1011111010110
31121112122112112
41120101133112
521410442220
62143551022
7400455314
oct130213726
947478475
1023140310
1112075726
1278bb472
134a428bb
1431050b4
1520715c5
hex16117d6

23140310 has 16 divisors (see below), whose sum is σ = 41713056. Its totient is φ = 9242688.

The previous prime is 23140283. The next prime is 23140319. The reversal of 23140310 is 1304132.

It is a super-2 number, since 2×231403102 = 1070947893792200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23140319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8474 + ... + 10866.

It is an arithmetic number, because the mean of its divisors is an integer number (2607066).

Almost surely, 223140310 is an apocalyptic number.

23140310 is a deficient number, since it is larger than the sum of its proper divisors (18572746).

23140310 is a wasteful number, since it uses less digits than its factorization.

23140310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3367.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 23140310 is about 4810.4376100309. The cubic root of 23140310 is about 284.9638201739.

Adding to 23140310 its reverse (1304132), we get a palindrome (24444442).

The spelling of 23140310 in words is "twenty-three million, one hundred forty thousand, three hundred ten".

Divisors: 1 2 5 10 967 1934 2393 4786 4835 9670 11965 23930 2314031 4628062 11570155 23140310