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13421358 = 232745631
BaseRepresentation
bin110011001100…
…101100101110
3221020212122100
4303030230232
511413440413
61155355530
7222036216
oct63145456
927225570
1013421358
117637735
1245b2ba6
132a1bc42
141ad5246
1512a1a73
hexcccb2e

13421358 has 12 divisors (see below), whose sum is σ = 29079648. Its totient is φ = 4473780.

The previous prime is 13421329. The next prime is 13421363. The reversal of 13421358 is 85312431.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 372798 + ... + 372833.

It is an arithmetic number, because the mean of its divisors is an integer number (2423304).

Almost surely, 213421358 is an apocalyptic number.

13421358 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13421358 is an abundant number, since it is smaller than the sum of its proper divisors (15658290).

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

13421358 is a wasteful number, since it uses less digits than its factorization.

13421358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745639 (or 745636 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 13421358 is about 3663.5171625093. The cubic root of 13421358 is about 237.6469000707.

Adding to 13421358 its reverse (85312431), we get a palindrome (98733789).

The spelling of 13421358 in words is "thirteen million, four hundred twenty-one thousand, three hundred fifty-eight".

Divisors: 1 2 3 6 9 18 745631 1491262 2236893 4473786 6710679 13421358