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13450580 = 22511134703
BaseRepresentation
bin110011010011…
…110101010100
3221022100201122
4303103311110
511420404310
61200143112
7222220343
oct63236524
927270648
1013450580
117657690
124607a98
132a2c330
141b01b5a
1512aa555
hexcd3d54

13450580 has 48 divisors (see below), whose sum is σ = 33191424. Its totient is φ = 4513920.

The previous prime is 13450571. The next prime is 13450589. The reversal of 13450580 is 8505431.

It is an interprime number because it is at equal distance from previous prime (13450571) and next prime (13450589).

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13450589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 509 + ... + 5211.

It is an arithmetic number, because the mean of its divisors is an integer number (691488).

Almost surely, 213450580 is an apocalyptic number.

13450580 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 13450580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16595712).

13450580 is an abundant number, since it is smaller than the sum of its proper divisors (19740844).

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

13450580 is a wasteful number, since it uses less digits than its factorization.

13450580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4736 (or 4734 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 13450580 is about 3667.5032378990. The cubic root of 13450580 is about 237.8192493406.

The spelling of 13450580 in words is "thirteen million, four hundred fifty thousand, five hundred eighty".

Divisors: 1 2 4 5 10 11 13 20 22 26 44 52 55 65 110 130 143 220 260 286 572 715 1430 2860 4703 9406 18812 23515 47030 51733 61139 94060 103466 122278 206932 244556 258665 305695 517330 611390 672529 1034660 1222780 1345058 2690116 3362645 6725290 13450580