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13400000 = 265567
BaseRepresentation
bin110011000111…
…011111000000
3221012210100022
4303013133000
511412300000
61155113012
7221620025
oct63073700
927183308
1013400000
117622689
1245a2768
132a122c3
141acb54c
15129a585
hexcc77c0

13400000 has 84 divisors (see below), whose sum is σ = 33732216. Its totient is φ = 5280000.

The previous prime is 13399999. The next prime is 13400027. The reversal of 13400000 is 431.

13400000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

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, 199967 + ... + 200033.

It is an arithmetic number, because the mean of its divisors is an integer number (401574).

Almost surely, 213400000 is an apocalyptic number.

13400000 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 13400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16866108).

13400000 is an abundant number, since it is smaller than the sum of its proper divisors (20332216).

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

13400000 is an frugal number, since it uses more digits than its factorization.

13400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 13400000 is about 3660.6010435446. The cubic root of 13400000 is about 237.5207738062.

Adding to 13400000 its reverse (431), we get a palindrome (13400431).

The spelling of 13400000 in words is "thirteen million, four hundred thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 67 80 100 125 134 160 200 250 268 320 335 400 500 536 625 670 800 1000 1072 1250 1340 1600 1675 2000 2144 2500 2680 3125 3350 4000 4288 5000 5360 6250 6700 8000 8375 10000 10720 12500 13400 16750 20000 21440 25000 26800 33500 40000 41875 50000 53600 67000 83750 100000 107200 134000 167500 200000 209375 268000 335000 418750 536000 670000 837500 1340000 1675000 2680000 3350000 6700000 13400000