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13493613 = 372922157
BaseRepresentation
bin110011011110…
…010101101101
3221101112202110
4303132111231
511423243423
61201114233
7222456660
oct63362555
927345673
1013493613
117686a51
124628979
132a45ab3
141b136d7
1512b8193
hexcde56d

13493613 has 16 divisors (see below), whose sum is σ = 21271680. Its totient is φ = 7444416.

The previous prime is 13493609. The next prime is 13493639. The reversal of 13493613 is 31639431.

It is not a de Polignac number, because 13493613 - 22 = 13493609 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13493603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10470 + ... + 11687.

It is an arithmetic number, because the mean of its divisors is an integer number (1329480).

Almost surely, 213493613 is an apocalyptic number.

It is an amenable number.

13493613 is a deficient number, since it is larger than the sum of its proper divisors (7778067).

13493613 is a wasteful number, since it uses less digits than its factorization.

13493613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22196.

The product of its digits is 5832, while the sum is 30.

The square root of 13493613 is about 3673.3653507377. The cubic root of 13493613 is about 238.0726010180.

The spelling of 13493613 in words is "thirteen million, four hundred ninety-three thousand, six hundred thirteen".

Divisors: 1 3 7 21 29 87 203 609 22157 66471 155099 465297 642553 1927659 4497871 13493613