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13003400 = 235279823
BaseRepresentation
bin110001100110…
…101010001000
3220110122022102
4301212222020
511312102100
61142412532
7215345534
oct61465210
926418272
1013003400
117381713
124431148
132903927
141a26bc4
15121ccd5
hexc66a88

13003400 has 48 divisors (see below), whose sum is σ = 30652800. Its totient is φ = 5129280.

The previous prime is 13003399. The next prime is 13003433. The reversal of 13003400 is 430031.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15389 + ... + 16211.

It is an arithmetic number, because the mean of its divisors is an integer number (638600).

Almost surely, 213003400 is an apocalyptic number.

13003400 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 13003400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15326400).

13003400 is an abundant number, since it is smaller than the sum of its proper divisors (17649400).

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

13003400 is a wasteful number, since it uses less digits than its factorization.

13003400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918 (or 909 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 13003400 is about 3606.0227398063. The cubic root of 13003400 is about 235.1539658005.

Adding to 13003400 its reverse (430031), we get a palindrome (13433431).

The spelling of 13003400 in words is "thirteen million, three thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 79 100 158 200 316 395 632 790 823 1580 1646 1975 3160 3292 3950 4115 6584 7900 8230 15800 16460 20575 32920 41150 65017 82300 130034 164600 260068 325085 520136 650170 1300340 1625425 2600680 3250850 6501700 13003400