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13148520 = 23357111423
BaseRepresentation
bin110010001010…
…000101101000
3220202000101020
4302022011220
511331223040
61145452440
7216521610
oct62120550
926660336
1013148520
117470750
1244a1120
1329549b8
141a63a40
15124acd0
hexc8a168

13148520 has 128 divisors (see below), whose sum is σ = 49213440. Its totient is φ = 2730240.

The previous prime is 13148507. The next prime is 13148533. The reversal of 13148520 is 2584131.

It is an interprime number because it is at equal distance from previous prime (13148507) and next prime (13148533).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8529 + ... + 9951.

It is an arithmetic number, because the mean of its divisors is an integer number (384480).

Almost surely, 213148520 is an apocalyptic number.

13148520 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 13148520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24606720).

13148520 is an abundant number, since it is smaller than the sum of its proper divisors (36064920).

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

13148520 is a wasteful number, since it uses less digits than its factorization.

13148520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455 (or 1451 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 13148520 is about 3626.0888020014. The cubic root of 13148520 is about 236.0255167277.

The spelling of 13148520 in words is "thirteen million, one hundred forty-eight thousand, five hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 10 11 12 14 15 20 21 22 24 28 30 33 35 40 42 44 55 56 60 66 70 77 84 88 105 110 120 132 140 154 165 168 210 220 231 264 280 308 330 385 420 440 462 616 660 770 840 924 1155 1320 1423 1540 1848 2310 2846 3080 4269 4620 5692 7115 8538 9240 9961 11384 14230 15653 17076 19922 21345 28460 29883 31306 34152 39844 42690 46959 49805 56920 59766 62612 78265 79688 85380 93918 99610 109571 119532 125224 149415 156530 170760 187836 199220 219142 234795 239064 298830 313060 328713 375672 398440 438284 469590 547855 597660 626120 657426 876568 939180 1095710 1195320 1314852 1643565 1878360 2191420 2629704 3287130 4382840 6574260 13148520