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25425460 = 2252959743
BaseRepresentation
bin110000011111…
…1011000110100
31202211202011201
41200333120310
523002103320
62304542244
7426053464
oct140773064
952752151
1025425460
1113396585
128621984
135362a68
14353bba4
15237370a
hex183f634

25425460 has 48 divisors (see below), whose sum is σ = 56246400. Its totient is φ = 9640064.

The previous prime is 25425451. The next prime is 25425461. The reversal of 25425460 is 6452452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25425461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33849 + ... + 34591.

It is an arithmetic number, because the mean of its divisors is an integer number (1171800).

Almost surely, 225425460 is an apocalyptic number.

25425460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25425460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28123200).

25425460 is an abundant number, since it is smaller than the sum of its proper divisors (30820940).

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

25425460 is a wasteful number, since it uses less digits than its factorization.

25425460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840 (or 838 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 25425460 is about 5042.3665079008. The cubic root of 25425460 is about 294.0511888903.

The spelling of 25425460 in words is "twenty-five million, four hundred twenty-five thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 29 58 59 116 118 145 236 290 295 580 590 743 1180 1486 1711 2972 3422 3715 6844 7430 8555 14860 17110 21547 34220 43094 43837 86188 87674 107735 175348 215470 219185 430940 438370 876740 1271273 2542546 5085092 6356365 12712730 25425460