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25528314 = 2372312801
BaseRepresentation
bin110000101100…
…0011111111010
31210000222021010
41201120133322
523013401224
62311054350
7426662400
oct141303772
953028233
1025528314
1113456889
1286713b6
13539a816
143567470
152393e29
hex18587fa

25528314 has 48 divisors (see below), whose sum is σ = 61330176. Its totient is φ = 7056000.

The previous prime is 25528313. The next prime is 25528331. The reversal of 25528314 is 41382552.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (25528313) 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, 7714 + ... + 10514.

It is an arithmetic number, because the mean of its divisors is an integer number (1277712).

Almost surely, 225528314 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25528314, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30665088).

25528314 is an abundant number, since it is smaller than the sum of its proper divisors (35801862).

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

25528314 is a wasteful number, since it uses less digits than its factorization.

25528314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2851 (or 2844 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 25528314 is about 5052.5551951463. Note that the first 3 decimals coincide. The cubic root of 25528314 is about 294.4471653349.

The spelling of 25528314 in words is "twenty-five million, five hundred twenty-eight thousand, three hundred fourteen".

Divisors: 1 2 3 6 7 14 21 31 42 49 62 93 98 147 186 217 294 434 651 1302 1519 2801 3038 4557 5602 8403 9114 16806 19607 39214 58821 86831 117642 137249 173662 260493 274498 411747 520986 607817 823494 1215634 1823451 3646902 4254719 8509438 12764157 25528314