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13490511 = 313134327
BaseRepresentation
bin110011011101…
…100101001111
3221101101111120
4303131211033
511423144021
61201052023
7222444636
oct63354517
927341446
1013490511
117684691
124627013
132a44568
141b1251d
1512b72c6
hexcdd94f

13490511 has 8 divisors (see below), whose sum is σ = 18125184. Its totient is φ = 8924760.

The previous prime is 13490509. The next prime is 13490573. The reversal of 13490511 is 11509431.

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

It is not a de Polignac number, because 13490511 - 21 = 13490509 is a prime.

It is a super-2 number, since 2×134905112 = 363987774082242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13490591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16771 + ... + 17556.

It is an arithmetic number, because the mean of its divisors is an integer number (2265648).

Almost surely, 213490511 is an apocalyptic number.

13490511 is a deficient number, since it is larger than the sum of its proper divisors (4634673).

13490511 is a wasteful number, since it uses less digits than its factorization.

13490511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34461.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 13490511 is about 3672.9430978440. The cubic root of 13490511 is about 238.0543563910.

Adding to 13490511 its reverse (11509431), we get a palindrome (24999942).

The spelling of 13490511 in words is "thirteen million, four hundred ninety thousand, five hundred eleven".

Divisors: 1 3 131 393 34327 102981 4496837 13490511