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23134743 = 3213918493
BaseRepresentation
bin101100001000…
…0001000010111
31121112100220100
41120100020113
521410302433
62143505143
7400433142
oct130201027
947470810
1023134743
1112071525
1278b81b3
134a401c8
143103059
15206eb13
hex1610217

23134743 has 12 divisors (see below), whose sum is σ = 33659080. Its totient is φ = 15311376.

The previous prime is 23134729. The next prime is 23134747. The reversal of 23134743 is 34743132.

It is a de Polignac number, because none of the positive numbers 2k-23134743 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 (23134747) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7996 + ... + 10497.

Almost surely, 223134743 is an apocalyptic number.

23134743 is a deficient number, since it is larger than the sum of its proper divisors (10524337).

23134743 is a wasteful number, since it uses less digits than its factorization.

23134743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18638 (or 18635 counting only the distinct ones).

The product of its digits is 6048, while the sum is 27.

The square root of 23134743 is about 4809.8589376405. The cubic root of 23134743 is about 284.9409665356.

Adding to 23134743 its reverse (34743132), we get a palindrome (57877875).

It can be divided in two parts, 2313 and 4743, that added together give a square (7056 = 842).

The spelling of 23134743 in words is "twenty-three million, one hundred thirty-four thousand, seven hundred forty-three".

Divisors: 1 3 9 139 417 1251 18493 55479 166437 2570527 7711581 23134743