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13384144 = 24836509
BaseRepresentation
bin110011000011…
…100111010000
3221011222121001
4303003213100
511411243034
61154511344
7221522554
oct63034720
927158531
1013384144
117611784
124595554
132a08017
141ac5864
151295a14
hexcc39d0

13384144 has 10 divisors (see below), whose sum is σ = 25931810. Its totient is φ = 6692064.

The previous prime is 13384127. The next prime is 13384181. The reversal of 13384144 is 44148331.

It can be written as a sum of positive squares in only one way, i.e., 11641744 + 1742400 = 3412^2 + 1320^2 .

It is a super-2 number, since 2×133841442 = 358270621225472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 418239 + ... + 418270.

It is an arithmetic number, because the mean of its divisors is an integer number (2593181).

Almost surely, 213384144 is an apocalyptic number.

It is an amenable number.

13384144 is a deficient number, since it is larger than the sum of its proper divisors (12547666).

13384144 is an equidigital number, since it uses as much as digits as its factorization.

13384144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836517 (or 836511 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 13384144 is about 3658.4346379292. The cubic root of 13384144 is about 237.4270520193.

The spelling of 13384144 in words is "thirteen million, three hundred eighty-four thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 836509 1673018 3346036 6692072 13384144