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13421384 = 231677673
BaseRepresentation
bin110011001100…
…101101001000
3221020212200022
4303030231020
511413441014
61155400012
7222036254
oct63145510
927225608
1013421384
117637759
1245b3008
132a1bc62
141ad5264
1512a1a8e
hexcccb48

13421384 has 8 divisors (see below), whose sum is σ = 25165110. Its totient is φ = 6710688.

The previous prime is 13421363. The next prime is 13421393. The reversal of 13421384 is 48312431.

It can be written as a sum of positive squares in only one way, i.e., 13118884 + 302500 = 3622^2 + 550^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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, 838829 + ... + 838844.

Almost surely, 213421384 is an apocalyptic number.

It is an amenable number.

13421384 is a deficient number, since it is larger than the sum of its proper divisors (11743726).

13421384 is a wasteful number, since it uses less digits than its factorization.

13421384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677679 (or 1677675 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 13421384 is about 3663.5207110101. The cubic root of 13421384 is about 237.6470535280.

The spelling of 13421384 in words is "thirteen million, four hundred twenty-one thousand, three hundred eighty-four".

Divisors: 1 2 4 8 1677673 3355346 6710692 13421384