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103185393 = 3172969767
BaseRepresentation
bin1100010011001…
…11101111110001
321012011100202020
412021213233301
5202403413033
614123342053
72362030023
oct611475761
9235140666
10103185393
1153277793
122a681929
13184ba65c
14d9c0013
1590d36b3
hex6267bf1

103185393 has 16 divisors (see below), whose sum is σ = 150698880. Its totient is φ = 62510336.

The previous prime is 103185389. The next prime is 103185413. The reversal of 103185393 is 393581301.

It is a cyclic number.

It is not a de Polignac number, because 103185393 - 22 = 103185389 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103185493) 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, 33405 + ... + 36362.

It is an arithmetic number, because the mean of its divisors is an integer number (9418680).

Almost surely, 2103185393 is an apocalyptic number.

It is an amenable number.

103185393 is a deficient number, since it is larger than the sum of its proper divisors (47513487).

103185393 is a wasteful number, since it uses less digits than its factorization.

103185393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69816.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 103185393 is about 10158.0211163395. The cubic root of 103185393 is about 469.0358884647.

The spelling of 103185393 in words is "one hundred three million, one hundred eighty-five thousand, three hundred ninety-three".

Divisors: 1 3 17 29 51 87 493 1479 69767 209301 1186039 2023243 3558117 6069729 34395131 103185393