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23070442 = 273315737
BaseRepresentation
bin101100000000…
…0011011101010
31121102002200211
41120000123222
521401223232
62142251334
7400044523
oct130003352
947362624
1023070442
111202818a
127886b4a
134a19b65
1430c784a
15205aa47
hex16006ea

23070442 has 8 divisors (see below), whose sum is σ = 34655076. Its totient is φ = 11518752.

The previous prime is 23070433. The next prime is 23070451. The reversal of 23070442 is 24407032.

It is an interprime number because it is at equal distance from previous prime (23070433) and next prime (23070451).

It can be written as a sum of positive squares in 2 ways, for example, as 16573041 + 6497401 = 4071^2 + 2549^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6403 + ... + 9334.

Almost surely, 223070442 is an apocalyptic number.

23070442 is a deficient number, since it is larger than the sum of its proper divisors (11584634).

23070442 is a wasteful number, since it uses less digits than its factorization.

23070442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16472.

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 23070442 is about 4803.1699949096. The cubic root of 23070442 is about 284.6767320588.

Adding to 23070442 its reverse (24407032), we get a palindrome (47477474).

The spelling of 23070442 in words is "twenty-three million, seventy thousand, four hundred forty-two".

Divisors: 1 2 733 1466 15737 31474 11535221 23070442