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13030476 = 2231085873
BaseRepresentation
bin110001101101…
…010001001100
3220112000110020
4301231101030
511313433401
61143142140
7215520504
oct61552114
926460406
1013030476
11739aa98
124444950
132913054
141a32a04
151225d36
hexc6d44c

13030476 has 12 divisors (see below), whose sum is σ = 30404472. Its totient is φ = 4343488.

The previous prime is 13030463. The next prime is 13030487. The reversal of 13030476 is 67403031.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 542925 + ... + 542948.

It is an arithmetic number, because the mean of its divisors is an integer number (2533706).

Almost surely, 213030476 is an apocalyptic number.

It is an amenable number.

13030476 is an abundant number, since it is smaller than the sum of its proper divisors (17373996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13030476 is a wasteful number, since it uses less digits than its factorization.

13030476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085880 (or 1085878 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 13030476 is about 3609.7750622442. The cubic root of 13030476 is about 235.3170671096.

The spelling of 13030476 in words is "thirteen million, thirty thousand, four hundred seventy-six".

Divisors: 1 2 3 4 6 12 1085873 2171746 3257619 4343492 6515238 13030476