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25375028 = 2276071493
BaseRepresentation
bin110000011001…
…1000100110100
31202202011222212
41200303010310
522444000103
62303512552
7425453450
oct140630464
952664885
1025375028
11133616a8
1285b8758
135345b13
143527660
1523637d8
hex1833134

25375028 has 24 divisors (see below), whose sum is σ = 50867712. Its totient is φ = 10849824.

The previous prime is 25375027. The next prime is 25375073. The reversal of 25375028 is 82057352.

It is a junction number, because it is equal to n+sod(n) for n = 25374985 and 25375003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25375027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16250 + ... + 17742.

It is an arithmetic number, because the mean of its divisors is an integer number (2119488).

Almost surely, 225375028 is an apocalyptic number.

25375028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25375028 is an abundant number, since it is smaller than the sum of its proper divisors (25492684).

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

25375028 is a wasteful number, since it uses less digits than its factorization.

25375028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111 (or 2109 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 25375028 is about 5037.3631991350. The cubic root of 25375028 is about 293.8566410457.

The spelling of 25375028 in words is "twenty-five million, three hundred seventy-five thousand, twenty-eight".

Divisors: 1 2 4 7 14 28 607 1214 1493 2428 2986 4249 5972 8498 10451 16996 20902 41804 906251 1812502 3625004 6343757 12687514 25375028