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23140344 = 2332833407
BaseRepresentation
bin101100001000…
…1011111111000
31121112122120210
41120101133320
521410442334
62143551120
7400455363
oct130213770
947478523
1023140344
1112075757
1278bb4a0
134a42916
1431050da
1520715e9
hex16117f8

23140344 has 32 divisors (see below), whose sum is σ = 58072320. Its totient is φ = 7683936.

The previous prime is 23140319. The next prime is 23140357. The reversal of 23140344 is 44304132.

Adding to 23140344 its reverse (44304132), we get a palindrome (67444476).

It is a self number, because there is not a number n which added to its sum of digits gives 23140344.

It is a congruent number.

It is an unprimeable number.

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, 5089 + ... + 8495.

It is an arithmetic number, because the mean of its divisors is an integer number (1814760).

Almost surely, 223140344 is an apocalyptic number.

23140344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23140344 is an abundant number, since it is smaller than the sum of its proper divisors (34931976).

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

23140344 is a wasteful number, since it uses less digits than its factorization.

23140344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3699 (or 3695 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 23140344 is about 4810.4411440116. The cubic root of 23140344 is about 284.9639597394.

The spelling of 23140344 in words is "twenty-three million, one hundred forty thousand, three hundred forty-four".