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23454493 = 193074021
BaseRepresentation
bin101100101111…
…0001100011101
31122010121111221
41121132030131
522001020433
62154413341
7403234306
oct131361435
948117457
1023454493
111226a787
127a31251
134b228ca
1431877ad
1520d472d
hex165e31d

23454493 has 8 divisors (see below), whose sum is σ = 24775520. Its totient is φ = 22142160.

The previous prime is 23454491. The next prime is 23454517. The reversal of 23454493 is 39445432.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 23454493 - 21 = 23454491 is a prime.

It is a super-2 number, since 2×234544932 = 1100226483774098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23454491) 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, 3823 + ... + 7843.

It is an arithmetic number, because the mean of its divisors is an integer number (3096940).

Almost surely, 223454493 is an apocalyptic number.

It is an amenable number.

23454493 is a deficient number, since it is larger than the sum of its proper divisors (1321027).

23454493 is a wasteful number, since it uses less digits than its factorization.

23454493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4347.

The product of its digits is 51840, while the sum is 34.

The square root of 23454493 is about 4842.9838942536. The cubic root of 23454493 is about 286.2477070556.

The spelling of 23454493 in words is "twenty-three million, four hundred fifty-four thousand, four hundred ninety-three".

Divisors: 1 19 307 4021 5833 76399 1234447 23454493