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13873408 = 2854193
BaseRepresentation
bin110100111011…
…000100000000
3222002211201221
4310323010000
512022422113
61213204424
7225631153
oct64730400
928084657
1013873408
11791632a
124790714
132b49923
141bb1c9a
15134098d
hexd3b100

13873408 has 18 divisors (see below), whose sum is σ = 27693134. Its totient is φ = 6936576.

The previous prime is 13873403. The next prime is 13873421. The reversal of 13873408 is 80437831.

It can be written as a sum of positive squares in only one way, i.e., 13307904 + 565504 = 3648^2 + 752^2 .

It is not an unprimeable number, because it can be changed into a prime (13873403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26841 + ... + 27352.

Almost surely, 213873408 is an apocalyptic number.

It is an amenable number.

13873408 is a deficient number, since it is larger than the sum of its proper divisors (13819726).

13873408 is an frugal number, since it uses more digits than its factorization.

13873408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54209 (or 54195 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 13873408 is about 3724.7024042197. The cubic root of 13873408 is about 240.2855859605.

The spelling of 13873408 in words is "thirteen million, eight hundred seventy-three thousand, four hundred eight".

Divisors: 1 2 4 8 16 32 64 128 256 54193 108386 216772 433544 867088 1734176 3468352 6936704 13873408