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8685441 = 33437481
BaseRepresentation
bin100001001000…
…011110000001
3121100021012000
4201020132001
54210413231
6510054213
7133552662
oct41103601
917307160
108685441
1149a2556
122aaa369
131a5141b
141221369
15b686e6
hex848781

8685441 has 16 divisors (see below), whose sum is σ = 13168320. Its totient is φ = 5654880.

The previous prime is 8685409. The next prime is 8685463. The reversal of 8685441 is 1445868.

It is not a de Polignac number, because 8685441 - 25 = 8685409 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

8685441 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 8685396 and 8685405.

It is not an unprimeable number, because it can be changed into a prime (8685041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2580 + ... + 4901.

It is an arithmetic number, because the mean of its divisors is an integer number (823020).

Almost surely, 28685441 is an apocalyptic number.

It is an amenable number.

8685441 is a deficient number, since it is larger than the sum of its proper divisors (4482879).

8685441 is a wasteful number, since it uses less digits than its factorization.

8685441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7533 (or 7527 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 8685441 is about 2947.1072257385. The cubic root of 8685441 is about 205.5562209648.

The spelling of 8685441 in words is "eight million, six hundred eighty-five thousand, four hundred forty-one".

Divisors: 1 3 9 27 43 129 387 1161 7481 22443 67329 201987 321683 965049 2895147 8685441