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8536381 = 723371433
BaseRepresentation
bin100000100100…
…000100111101
3121001200201021
4200210010331
54141131011
6502544141
7132362260
oct40440475
917050637
108536381
114900567
122a38051
1319cb619
1411c2cd7
15b39471
hex82413d

8536381 has 16 divisors (see below), whose sum is σ = 10462464. Its totient is φ = 6804864.

The previous prime is 8536379. The next prime is 8536387. The reversal of 8536381 is 1836358.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 8536381 - 21 = 8536379 is a prime.

It is a super-2 number, since 2×85363812 = 145739601154322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8536387) 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, 5241 + ... + 6673.

It is an arithmetic number, because the mean of its divisors is an integer number (653904).

Almost surely, 28536381 is an apocalyptic number.

It is an amenable number.

8536381 is a deficient number, since it is larger than the sum of its proper divisors (1926083).

8536381 is a wasteful number, since it uses less digits than its factorization.

8536381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500.

The product of its digits is 17280, while the sum is 34.

The square root of 8536381 is about 2921.7085754743. The cubic root of 8536381 is about 204.3735067397.

The spelling of 8536381 in words is "eight million, five hundred thirty-six thousand, three hundred eighty-one".

Divisors: 1 7 23 37 161 259 851 1433 5957 10031 32959 53021 230713 371147 1219483 8536381