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13685433 = 38575323
BaseRepresentation
bin110100001101…
…001010111001
3221202021212220
4310031022321
512000413213
61205154253
7224216136
oct64151271
927667786
1013685433
1177a8083
1246bb989
132ab21b8
141b6358d
151304e23
hexd0d2b9

13685433 has 8 divisors (see below), whose sum is σ = 18271968. Its totient is φ = 9111264.

The previous prime is 13685423. The next prime is 13685461. The reversal of 13685433 is 33458631.

13685433 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13685433 - 24 = 13685417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13685394 and 13685403.

It is not an unprimeable number, because it can be changed into a prime (13685423) 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, 91 + ... + 5232.

It is an arithmetic number, because the mean of its divisors is an integer number (2283996).

Almost surely, 213685433 is an apocalyptic number.

It is an amenable number.

13685433 is a deficient number, since it is larger than the sum of its proper divisors (4586535).

13685433 is an equidigital number, since it uses as much as digits as its factorization.

13685433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6183.

The product of its digits is 25920, while the sum is 33.

The square root of 13685433 is about 3699.3827863577. The cubic root of 13685433 is about 239.1954133209.

The spelling of 13685433 in words is "thirteen million, six hundred eighty-five thousand, four hundred thirty-three".

Divisors: 1 3 857 2571 5323 15969 4561811 13685433