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13438116 = 2233124427
BaseRepresentation
bin110011010000…
…110010100100
3221021201122000
4303100302210
511420004431
61200005300
7222136116
oct63206244
927251560
1013438116
11764928a
124600830
132a26763
141adb3b6
1512a69e6
hexcd0ca4

13438116 has 24 divisors (see below), whose sum is σ = 34839840. Its totient is φ = 4479336.

The previous prime is 13438091. The next prime is 13438129. The reversal of 13438116 is 61183431.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 13438116.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62106 + ... + 62321.

It is an arithmetic number, because the mean of its divisors is an integer number (1451660).

Almost surely, 213438116 is an apocalyptic number.

It is an amenable number.

13438116 is an abundant number, since it is smaller than the sum of its proper divisors (21401724).

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

13438116 is a wasteful number, since it uses less digits than its factorization.

13438116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124440 (or 124432 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 13438116 is about 3665.8035953935. The cubic root of 13438116 is about 237.7457681182.

The spelling of 13438116 in words is "thirteen million, four hundred thirty-eight thousand, one hundred sixteen".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 124427 248854 373281 497708 746562 1119843 1493124 2239686 3359529 4479372 6719058 13438116