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13345505 = 519592381
BaseRepresentation
bin110010111010…
…001011100001
3221010000120222
4302322023201
511404024010
61154012425
7221302115
oct62721341
927100528
1013345505
117595748
124577115
1329c3564
141ab5745
151289355
hexcba2e1

13345505 has 16 divisors (see below), whose sum is σ = 17150400. Its totient is φ = 9938880.

The previous prime is 13345499. The next prime is 13345511. The reversal of 13345505 is 50554331.

13345505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13345499) and next prime (13345511).

It is not a de Polignac number, because 13345505 - 210 = 13344481 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4415 + ... + 6795.

It is an arithmetic number, because the mean of its divisors is an integer number (1071900).

Almost surely, 213345505 is an apocalyptic number.

It is an amenable number.

13345505 is a deficient number, since it is larger than the sum of its proper divisors (3804895).

13345505 is a wasteful number, since it uses less digits than its factorization.

13345505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2464.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 13345505 is about 3653.1500106073. The cubic root of 13345505 is about 237.1983538869.

Adding to 13345505 its reverse (50554331), we get a palindrome (63899836).

The spelling of 13345505 in words is "thirteen million, three hundred forty-five thousand, five hundred five".

Divisors: 1 5 19 59 95 295 1121 2381 5605 11905 45239 140479 226195 702395 2669101 13345505