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13351330 = 251638191
BaseRepresentation
bin110010111011…
…100110100010
3221010022120201
4302323212202
511404220310
61154055414
7221325106
oct62734642
927108521
1013351330
11759a063
12457a56a
1329c60c5
141ab7906
15128ae3a
hexcbb9a2

13351330 has 16 divisors (see below), whose sum is σ = 24182784. Its totient is φ = 5307120.

The previous prime is 13351279. The next prime is 13351333. The reversal of 13351330 is 3315331.

It is a junction number, because it is equal to n+sod(n) for n = 13351298 and 13351307.

It is not an unprimeable number, because it can be changed into a prime (13351333) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2466 + ... + 5725.

It is an arithmetic number, because the mean of its divisors is an integer number (1511424).

Almost surely, 213351330 is an apocalyptic number.

13351330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13351330 is a deficient number, since it is larger than the sum of its proper divisors (10831454).

13351330 is a wasteful number, since it uses less digits than its factorization.

13351330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8361.

The product of its (nonzero) digits is 405, while the sum is 19.

The square root of 13351330 is about 3653.9471807896. The cubic root of 13351330 is about 237.2328593736.

Adding to 13351330 its reverse (3315331), we get a palindrome (16666661).

The spelling of 13351330 in words is "thirteen million, three hundred fifty-one thousand, three hundred thirty".

Divisors: 1 2 5 10 163 326 815 1630 8191 16382 40955 81910 1335133 2670266 6675665 13351330