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17964085 = 55367789
BaseRepresentation
bin100010010000…
…1110000110101
31020210200002111
41010201300311
514044322320
61441011021
7305456266
oct104416065
936720074
1017964085
11a15a757
126023a71
13394c849
14255896d
15189ca5a
hex1121c35

17964085 has 8 divisors (see below), whose sum is σ = 21963960. Its totient is φ = 14099904.

The previous prime is 17964071. The next prime is 17964091. The reversal of 17964085 is 58046971.

It can be written as a sum of positive squares in 4 ways, for example, as 7349521 + 10614564 = 2711^2 + 3258^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 17964085 - 215 = 17931317 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33630 + ... + 34159.

It is an arithmetic number, because the mean of its divisors is an integer number (2745495).

Almost surely, 217964085 is an apocalyptic number.

It is an amenable number.

17964085 is a deficient number, since it is larger than the sum of its proper divisors (3999875).

17964085 is an equidigital number, since it uses as much as digits as its factorization.

17964085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67847.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 17964085 is about 4238.4059503544. The cubic root of 17964085 is about 261.8997197954.

The spelling of 17964085 in words is "seventeen million, nine hundred sixty-four thousand, eighty-five".

Divisors: 1 5 53 265 67789 338945 3592817 17964085