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13802043 = 361199379
BaseRepresentation
bin110100101001…
…101000111011
3221222012211210
4310221220323
512013131133
61211454203
7225213123
oct64515073
927865753
1013802043
117877752
124757363
132b232b8
141b93c83
151329763
hexd29a3b

13802043 has 16 divisors (see below), whose sum is σ = 18848000. Its totient is φ = 8981280.

The previous prime is 13802003. The next prime is 13802051. The reversal of 13802043 is 34020831.

It is a happy number.

It is not a de Polignac number, because 13802043 - 28 = 13801787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13802003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36228 + ... + 36606.

It is an arithmetic number, because the mean of its divisors is an integer number (1178000).

Almost surely, 213802043 is an apocalyptic number.

13802043 is a deficient number, since it is larger than the sum of its proper divisors (5045957).

13802043 is a wasteful number, since it uses less digits than its factorization.

13802043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 13802043 is about 3715.1100925814. The cubic root of 13802043 is about 239.8728666943.

Adding to 13802043 its reverse (34020831), we get a palindrome (47822874).

The spelling of 13802043 in words is "thirteen million, eight hundred two thousand, forty-three".

Divisors: 1 3 61 183 199 379 597 1137 12139 23119 36417 69357 75421 226263 4600681 13802043