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13421154 = 238812539
BaseRepresentation
bin110011001100…
…101001100010
3221020212100210
4303030221202
511413434104
61155354550
7222035505
oct63145142
927225323
1013421154
11763756a
1245b2a56
132a1bb16
141ad513c
1512a1989
hexccca62

13421154 has 16 divisors (see below), whose sum is σ = 26883360. Its totient is φ = 4466880.

The previous prime is 13421141. The next prime is 13421173. The reversal of 13421154 is 45112431.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 13421154.

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 in 7 ways as a sum of consecutive naturals, for example, 4017 + ... + 6555.

It is an arithmetic number, because the mean of its divisors is an integer number (1680210).

Almost surely, 213421154 is an apocalyptic number.

13421154 is an abundant number, since it is smaller than the sum of its proper divisors (13462206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13421154 is a wasteful number, since it uses less digits than its factorization.

13421154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3425.

The product of its digits is 480, while the sum is 21.

The square root of 13421154 is about 3663.4893203065. The cubic root of 13421154 is about 237.6456960144.

Adding to 13421154 its reverse (45112431), we get a palindrome (58533585).

The spelling of 13421154 in words is "thirteen million, four hundred twenty-one thousand, one hundred fifty-four".

Divisors: 1 2 3 6 881 1762 2539 2643 5078 5286 7617 15234 2236859 4473718 6710577 13421154