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25332480 = 28335733
BaseRepresentation
bin110000010100…
…0101100000000
31202200000122000
41200220230000
522441114410
62302544000
7425215425
oct140505400
952600560
1025332480
1113332738
128598000
13532c644
143515d4c
152355dc0
hex1828b00

25332480 has 144 divisors (see below), whose sum is σ = 90017760. Its totient is φ = 6746112.

The previous prime is 25332473. The next prime is 25332497. The reversal of 25332480 is 8423352.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34194 + ... + 34926.

Almost surely, 225332480 is an apocalyptic number.

25332480 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 25332480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45008880).

25332480 is an abundant number, since it is smaller than the sum of its proper divisors (64685280).

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

25332480 is an equidigital number, since it uses as much as digits as its factorization.

25332480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763 (or 743 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 25332480 is about 5033.1381860624. The cubic root of 25332480 is about 293.6923061585.

The spelling of 25332480 in words is "twenty-five million, three hundred thirty-two thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 90 96 108 120 128 135 144 160 180 192 216 240 256 270 288 320 360 384 432 480 540 576 640 720 733 768 864 960 1080 1152 1280 1440 1466 1728 1920 2160 2199 2304 2880 2932 3456 3665 3840 4320 4398 5760 5864 6597 6912 7330 8640 8796 10995 11520 11728 13194 14660 17280 17592 19791 21990 23456 26388 29320 32985 34560 35184 39582 43980 46912 52776 58640 65970 70368 79164 87960 93824 98955 105552 117280 131940 140736 158328 175920 187648 197910 211104 234560 263880 281472 316656 351840 395820 422208 469120 527760 562944 633312 703680 791640 844416 938240 1055520 1266624 1407360 1583280 1688832 2111040 2533248 2814720 3166560 4222080 5066496 6333120 8444160 12666240 25332480