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23345454 = 23111720807
BaseRepresentation
bin101100100001…
…1100100101110
31121221001221110
41121003210232
521434023304
62152212450
7402301356
oct131034456
947831843
1023345454
11121a5870
12799a126
134ab50a2
143159b66
1520b2289
hex164392e

23345454 has 32 divisors (see below), whose sum is σ = 53934336. Its totient is φ = 6657920.

The previous prime is 23345453. The next prime is 23345479. The reversal of 23345454 is 45454332.

It is a super-2 number, since 2×233454542 = 1090020444932232, which contains 22 as substring.

23345454 is a modest number, since divided by 5454 gives 2334 as remainder.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23345453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9282 + ... + 11525.

It is an arithmetic number, because the mean of its divisors is an integer number (1685448).

Almost surely, 223345454 is an apocalyptic number.

23345454 is an abundant number, since it is smaller than the sum of its proper divisors (30588882).

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

23345454 is a wasteful number, since it uses less digits than its factorization.

23345454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20840.

The product of its digits is 28800, while the sum is 30.

The square root of 23345454 is about 4831.7133607034. The cubic root of 23345454 is about 285.8034331579.

Adding to 23345454 its reverse (45454332), we get a palindrome (68799786).

The spelling of 23345454 in words is "twenty-three million, three hundred forty-five thousand, four hundred fifty-four".

Divisors: 1 2 3 6 11 17 22 33 34 51 66 102 187 374 561 1122 20807 41614 62421 124842 228877 353719 457754 686631 707438 1061157 1373262 2122314 3890909 7781818 11672727 23345454