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14530520 = 2354759131
BaseRepresentation
bin110111011011…
…011111011000
31000100020010102
4313123133120
512204434040
61235234532
7234336014
oct67333730
930306112
1014530520
118224aa4
124a48a48
133019a54
141d03544
151420515
hexddb7d8

14530520 has 64 divisors (see below), whose sum is σ = 34214400. Its totient is φ = 5549440.

The previous prime is 14530513. The next prime is 14530531. The reversal of 14530520 is 2503541.

It is a super-2 number, since 2×145305202 = 422272022940800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 14530492 and 14530501.

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, 110855 + ... + 110985.

It is an arithmetic number, because the mean of its divisors is an integer number (534600).

Almost surely, 214530520 is an apocalyptic number.

14530520 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 14530520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17107200).

14530520 is an abundant number, since it is smaller than the sum of its proper divisors (19683880).

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

14530520 is a wasteful number, since it uses less digits than its factorization.

14530520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 14530520 is about 3811.8919187196. The cubic root of 14530520 is about 244.0209155232.

The spelling of 14530520 in words is "fourteen million, five hundred thirty thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 47 59 94 118 131 188 235 236 262 295 376 470 472 524 590 655 940 1048 1180 1310 1880 2360 2620 2773 5240 5546 6157 7729 11092 12314 13865 15458 22184 24628 27730 30785 30916 38645 49256 55460 61570 61832 77290 110920 123140 154580 246280 309160 363263 726526 1453052 1816315 2906104 3632630 7265260 14530520