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13058880 = 263561223
BaseRepresentation
bin110001110100…
…001101000000
3220120110102020
4301310031000
511320341010
61143521440
7215666352
oct61641500
926513366
1013058880
11740a36a
124459280
132922c63
141a3d0d2
15122e470
hexc74340

13058880 has 112 divisors (see below), whose sum is σ = 42330624. Its totient is φ = 3409920.

The previous prime is 13058879. The next prime is 13058893. The reversal of 13058880 is 8885031.

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, 58449 + ... + 58671.

It is an arithmetic number, because the mean of its divisors is an integer number (377952).

Almost surely, 213058880 is an apocalyptic number.

13058880 is a gapful number since it is divisible by the number (10) 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 13058880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21165312).

13058880 is an abundant number, since it is smaller than the sum of its proper divisors (29271744).

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

13058880 is a wasteful number, since it uses less digits than its factorization.

13058880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 13058880 is about 3613.7072377269. The cubic root of 13058880 is about 235.4879254180.

Subtracting from 13058880 its reverse (8885031), we obtain a square (4173849 = 20432).

The spelling of 13058880 in words is "thirteen million, fifty-eight thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 61 64 80 96 120 122 160 183 192 223 240 244 305 320 366 446 480 488 610 669 732 892 915 960 976 1115 1220 1338 1464 1784 1830 1952 2230 2440 2676 2928 3345 3568 3660 3904 4460 4880 5352 5856 6690 7136 7320 8920 9760 10704 11712 13380 13603 14272 14640 17840 19520 21408 26760 27206 29280 35680 40809 42816 53520 54412 58560 68015 71360 81618 107040 108824 136030 163236 204045 214080 217648 272060 326472 408090 435296 544120 652944 816180 870592 1088240 1305888 1632360 2176480 2611776 3264720 4352960 6529440 13058880