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23940343 = 74772767
BaseRepresentation
bin101101101010…
…0110011110111
31200001021222101
41123110303313
522112042333
62213042531
7410326630
oct133246367
950037871
1023940343
1112571809
128026447
134c62aab
143272887
15217d67d
hex16d4cf7

23940343 has 8 divisors (see below), whose sum is σ = 27942912. Its totient is φ = 20083416.

The previous prime is 23940337. The next prime is 23940349. The reversal of 23940343 is 34304932.

It is an interprime number because it is at equal distance from previous prime (23940337) and next prime (23940349).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23940343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23940349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36055 + ... + 36712.

It is an arithmetic number, because the mean of its divisors is an integer number (3492864).

Almost surely, 223940343 is an apocalyptic number.

23940343 is a deficient number, since it is larger than the sum of its proper divisors (4002569).

23940343 is an equidigital number, since it uses as much as digits as its factorization.

23940343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72821.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 23940343 is about 4892.8869800967. The cubic root of 23940343 is about 288.2107149738.

The spelling of 23940343 in words is "twenty-three million, nine hundred forty thousand, three hundred forty-three".

Divisors: 1 7 47 329 72767 509369 3420049 23940343