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25483120 = 24513107229
BaseRepresentation
bin110000100110…
…1011101110000
31202221200021021
41201031131300
523010424440
62310105224
7426413545
oct141153560
952850237
1025483120
1113425933
12864b214
135383090
143554bcc
15238584a
hex184d770

25483120 has 80 divisors (see below), whose sum is σ = 64683360. Its totient is φ = 9280512.

The previous prime is 25483111. The next prime is 25483151. The reversal of 25483120 is 2138452.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111166 + ... + 111394.

It is an arithmetic number, because the mean of its divisors is an integer number (808542).

Almost surely, 225483120 is an apocalyptic number.

25483120 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 25483120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32341680).

25483120 is an abundant number, since it is smaller than the sum of its proper divisors (39200240).

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

25483120 is a wasteful number, since it uses less digits than its factorization.

25483120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362 (or 356 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 25483120 is about 5048.0808234417. The cubic root of 25483120 is about 294.2733047117.

The spelling of 25483120 in words is "twenty-five million, four hundred eighty-three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 107 130 208 214 229 260 428 458 520 535 856 916 1040 1070 1145 1391 1712 1832 2140 2290 2782 2977 3664 4280 4580 5564 5954 6955 8560 9160 11128 11908 13910 14885 18320 22256 23816 24503 27820 29770 47632 49006 55640 59540 98012 111280 119080 122515 196024 238160 245030 318539 392048 490060 637078 980120 1274156 1592695 1960240 2548312 3185390 5096624 6370780 12741560 25483120