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13420358 = 275571721
BaseRepresentation
bin110011001100…
…011101000110
3221020211021022
4303030131012
511413422413
61155351142
7222033260
oct63143506
927224238
1013420358
117636a06
1245b24b2
132a1b653
141ad4b30
1512a1608
hexccc746

13420358 has 16 divisors (see below), whose sum is σ = 23061024. Its totient is φ = 5737920.

The previous prime is 13420331. The next prime is 13420387. The reversal of 13420358 is 85302431.

13420358 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6938 + ... + 8658.

It is an arithmetic number, because the mean of its divisors is an integer number (1441314).

Almost surely, 213420358 is an apocalyptic number.

13420358 is a deficient number, since it is larger than the sum of its proper divisors (9640666).

13420358 is a wasteful number, since it uses less digits than its factorization.

13420358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2287.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 13420358 is about 3663.3806790996. The cubic root of 13420358 is about 237.6409977171.

Adding to 13420358 its reverse (85302431), we get a palindrome (98722789).

The spelling of 13420358 in words is "thirteen million, four hundred twenty thousand, three hundred fifty-eight".

Divisors: 1 2 7 14 557 1114 1721 3442 3899 7798 12047 24094 958597 1917194 6710179 13420358