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23214503 = 1317237167
BaseRepresentation
bin101100010001…
…1100110100111
31121200102022102
41120203212213
521420331003
62145322315
7401214524
oct130434647
947612272
1023214503
1112116444
12793639b
134a6a5c0
14312414b
152088588
hex16239a7

23214503 has 24 divisors (see below), whose sum is σ = 27438432. Its totient is φ = 19505664.

The previous prime is 23214481. The next prime is 23214509. The reversal of 23214503 is 30541232.

It is a happy number.

It is not a de Polignac number, because 23214503 - 26 = 23214439 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23214509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138926 + ... + 139092.

It is an arithmetic number, because the mean of its divisors is an integer number (1143268).

Almost surely, 223214503 is an apocalyptic number.

23214503 is a deficient number, since it is larger than the sum of its proper divisors (4223929).

23214503 is a wasteful number, since it uses less digits than its factorization.

23214503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 23214503 is about 4818.1431070486. The cubic root of 23214503 is about 285.2680478068.

Adding to 23214503 its reverse (30541232), we get a palindrome (53755735).

The spelling of 23214503 in words is "twenty-three million, two hundred fourteen thousand, five hundred three".

Divisors: 1 13 17 37 167 221 289 481 629 2171 2839 3757 6179 8177 10693 36907 48263 80327 105043 139009 627419 1365559 1785731 23214503