Search a number
-
+
25972300 = 2252259723
BaseRepresentation
bin110001100010…
…0111001001100
31210212112022001
41203010321030
523122103200
62324402044
7433521664
oct143047114
953775261
1025972300
111372a412
128846324
1354c4933
1436411a4
15243076a
hex18c4e4c

25972300 has 18 divisors (see below), whose sum is σ = 56360108. Its totient is φ = 10388880.

The previous prime is 25972291. The next prime is 25972319. The reversal of 25972300 is 327952.

25972300 = T257 + T258 + ... + T556.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 129762 + ... + 129961.

Almost surely, 225972300 is an apocalyptic number.

25972300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25972300 is an abundant number, since it is smaller than the sum of its proper divisors (30387808).

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

25972300 is a wasteful number, since it uses less digits than its factorization.

25972300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259737 (or 259730 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 25972300 is about 5096.3025812838. The cubic root of 25972300 is about 296.1443628656.

The spelling of 25972300 in words is "twenty-five million, nine hundred seventy-two thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 259723 519446 1038892 1298615 2597230 5194460 6493075 12986150 25972300