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25060230 = 23251321419
BaseRepresentation
bin101111110011…
…0001110000110
31202011012011200
41133212032012
522403411410
62253043330
7423002616
oct137461606
952135150
1025060230
1113167138
128486546
135265750
143484a46
1523003c0
hex17e6386

25060230 has 48 divisors (see below), whose sum is σ = 70171920. Its totient is φ = 6168384.

The previous prime is 25060219. The next prime is 25060237. The reversal of 25060230 is 3206052.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25060237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9540 + ... + 11879.

It is an arithmetic number, because the mean of its divisors is an integer number (1461915).

Almost surely, 225060230 is an apocalyptic number.

25060230 is an abundant number, since it is smaller than the sum of its proper divisors (45111690).

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

25060230 is a wasteful number, since it uses less digits than its factorization.

25060230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21445 (or 21442 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 25060230 is about 5006.0193767104. The cubic root of 25060230 is about 292.6364036165.

Adding to 25060230 its reverse (3206052), we get a palindrome (28266282).

The spelling of 25060230 in words is "twenty-five million, sixty thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 30 39 45 65 78 90 117 130 195 234 390 585 1170 21419 42838 64257 107095 128514 192771 214190 278447 321285 385542 556894 642570 835341 963855 1392235 1670682 1927710 2506023 2784470 4176705 5012046 8353410 12530115 25060230