Search a number
-
+
25496320 = 28519919
BaseRepresentation
bin110000101000…
…0101100000000
31202222100101011
41201100230000
523011340240
62310250304
7426500203
oct141205400
952870334
1025496320
1113434843
128656994
1353890a5
14355993a
1523896ea
hex1850b00

25496320 has 36 divisors (see below), whose sum is σ = 61074720. Its totient is φ = 10198016.

The previous prime is 25496279. The next prime is 25496323. The reversal of 25496320 is 2369452.

It is not an unprimeable number, because it can be changed into a prime (25496323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8680 + ... + 11239.

It is an arithmetic number, because the mean of its divisors is an integer number (1696520).

Almost surely, 225496320 is an apocalyptic number.

25496320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25496320 is an abundant number, since it is smaller than the sum of its proper divisors (35578400).

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

25496320 is an equidigital number, since it uses as much as digits as its factorization.

25496320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19940 (or 19926 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 25496320 is about 5049.3880817382. The cubic root of 25496320 is about 294.3241061458.

The spelling of 25496320 in words is "twenty-five million, four hundred ninety-six thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 640 1280 19919 39838 79676 99595 159352 199190 318704 398380 637408 796760 1274816 1593520 2549632 3187040 5099264 6374080 12748160 25496320