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23530265 = 5112192389
BaseRepresentation
bin101100111000…
…0101100011001
31122021110110022
41121300230121
522010432030
62200200225
7404001233
oct131605431
948243408
1023530265
1112311700
127a69075
134b4b245
1431a7253
1520ebde5
hex1670b19

23530265 has 48 divisors (see below), whose sum is σ = 34473600. Its totient is φ = 15333120.

The previous prime is 23530259. The next prime is 23530307. The reversal of 23530265 is 56203532.

It is not a de Polignac number, because 23530265 - 214 = 23513881 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 264341 + ... + 264429.

It is an arithmetic number, because the mean of its divisors is an integer number (718200).

Almost surely, 223530265 is an apocalyptic number.

It is an amenable number.

23530265 is a deficient number, since it is larger than the sum of its proper divisors (10943335).

23530265 is a wasteful number, since it uses less digits than its factorization.

23530265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 23530265 is about 4850.8004494104. The cubic root of 23530265 is about 286.5556259740. Note that the first 3 decimals are identical.

Adding to 23530265 its reverse (56203532), we get a palindrome (79733797).

The spelling of 23530265 in words is "twenty-three million, five hundred thirty thousand, two hundred sixty-five".

Divisors: 1 5 11 19 23 55 89 95 115 121 209 253 437 445 605 979 1045 1265 1691 2047 2185 2299 2783 4807 4895 8455 10235 10769 11495 13915 18601 22517 24035 38893 52877 53845 93005 112585 194465 204611 247687 264385 427823 1023055 1238435 2139115 4706053 23530265