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25204230 = 2335277337
BaseRepresentation
bin110000000100…
…1011000000110
31202102111201000
41200021120012
522423013410
62300114130
7424142502
oct140113006
952374630
1025204230
1113255347
128535946
1352b615c
1434c1302
15232cdc0
hex1809606

25204230 has 64 divisors (see below), whose sum is σ = 67654080. Its totient is φ = 6676992.

The previous prime is 25204229. The next prime is 25204237. The reversal of 25204230 is 3240252.

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 (25204237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74622 + ... + 74958.

It is an arithmetic number, because the mean of its divisors is an integer number (1057095).

Almost surely, 225204230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25204230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33827040).

25204230 is an abundant number, since it is smaller than the sum of its proper divisors (42449850).

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

25204230 is a wasteful number, since it uses less digits than its factorization.

25204230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630 (or 624 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 25204230 is about 5020.3814596104. The cubic root of 25204230 is about 293.1958449457.

Adding to 25204230 its reverse (3240252), we get a palindrome (28444482).

The spelling of 25204230 in words is "twenty-five million, two hundred four thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 277 337 554 674 831 1011 1385 1662 1685 2022 2493 2770 3033 3370 4155 4986 5055 6066 7479 8310 9099 10110 12465 14958 15165 18198 24930 30330 37395 45495 74790 90990 93349 186698 280047 466745 560094 840141 933490 1400235 1680282 2520423 2800470 4200705 5040846 8401410 12602115 25204230