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13481402 = 211612791
BaseRepresentation
bin110011011011…
…010110111010
3221100221000012
4303123112322
511422401102
61200541522
7222406244
oct63332672
927327005
1013481402
117678860
1246218a2
132a4037c
141b0d094
1512b4752
hexcdb5ba

13481402 has 8 divisors (see below), whose sum is σ = 22060512. Its totient is φ = 6127900.

The previous prime is 13481401. The next prime is 13481407. The reversal of 13481402 is 20418431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13481401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306374 + ... + 306417.

It is an arithmetic number, because the mean of its divisors is an integer number (2757564).

Almost surely, 213481402 is an apocalyptic number.

13481402 is a deficient number, since it is larger than the sum of its proper divisors (8579110).

13481402 is a wasteful number, since it uses less digits than its factorization.

13481402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612804.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 13481402 is about 3671.7028746891. The cubic root of 13481402 is about 238.0007650094. Note that the first 3 decimals are identical.

Adding to 13481402 its reverse (20418431), we get a palindrome (33899833).

The spelling of 13481402 in words is "thirteen million, four hundred eighty-one thousand, four hundred two".

Divisors: 1 2 11 22 612791 1225582 6740701 13481402