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25990324 = 226497581
BaseRepresentation
bin110001100100…
…1010010110100
31210220110000121
41203021102310
523123142244
62325021324
7433625353
oct143112264
953813017
1025990324
1113741a08
128854844
1354ccbb9
14364799a
152435c84
hex18c94b4

25990324 has 6 divisors (see below), whose sum is σ = 45483074. Its totient is φ = 12995160.

The previous prime is 25990319. The next prime is 25990337. The reversal of 25990324 is 42309952.

It can be written as a sum of positive squares in only one way, i.e., 25180324 + 810000 = 5018^2 + 900^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 25990324.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 3248787 + ... + 3248794.

Almost surely, 225990324 is an apocalyptic number.

It is an amenable number.

25990324 is a deficient number, since it is larger than the sum of its proper divisors (19492750).

25990324 is a wasteful number, since it uses less digits than its factorization.

25990324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6497585 (or 6497583 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 25990324 is about 5098.0706154387. The cubic root of 25990324 is about 296.2128521374.

The spelling of 25990324 in words is "twenty-five million, nine hundred ninety thousand, three hundred twenty-four".

Divisors: 1 2 4 6497581 12995162 25990324