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13389000 = 233534463
BaseRepresentation
bin110011000100…
…110011001000
3221012020020220
4303010303020
511411422000
61154550040
7221542662
oct63046310
927166226
1013389000
117615399
124598320
132a0a2b1
141ac7532
1512971a0
hexcc4cc8

13389000 has 64 divisors (see below), whose sum is σ = 41783040. Its totient is φ = 3569600.

The previous prime is 13388987. The next prime is 13389011. The reversal of 13389000 is 98331.

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 15 ways as a sum of consecutive naturals, for example, 769 + ... + 5231.

It is an arithmetic number, because the mean of its divisors is an integer number (652860).

Almost surely, 213389000 is an apocalyptic number.

13389000 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 13389000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20891520).

13389000 is an abundant number, since it is smaller than the sum of its proper divisors (28394040).

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

13389000 is a wasteful number, since it uses less digits than its factorization.

13389000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4487 (or 4473 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 13389000 is about 3659.0982495691. The cubic root of 13389000 is about 237.4557627673.

The spelling of 13389000 in words is "thirteen million, three hundred eighty-nine thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 125 150 200 250 300 375 500 600 750 1000 1500 3000 4463 8926 13389 17852 22315 26778 35704 44630 53556 66945 89260 107112 111575 133890 178520 223150 267780 334725 446300 535560 557875 669450 892600 1115750 1338900 1673625 2231500 2677800 3347250 4463000 6694500 13389000