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134170985 = 5132064169
BaseRepresentation
bin1111111111101…
…00100101101001
3100100110120222202
413333310211221
5233321432420
621151425545
73216302024
oct777644551
9310416882
10134170985
1169810713
1238b252b5
1321a49120
1413b681bb
15bba4575
hex7ff4969

134170985 has 8 divisors (see below), whose sum is σ = 173390280. Its totient is φ = 99080064.

The previous prime is 134170979. The next prime is 134170997. The reversal of 134170985 is 589071431.

It can be written as a sum of positive squares in 4 ways, for example, as 14684224 + 119486761 = 3832^2 + 10931^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-134170985 is a prime.

It is a super-3 number, since 3×1341709853 (a number of 25 digits) contains 333 as substring.

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, 1032020 + ... + 1032149.

It is an arithmetic number, because the mean of its divisors is an integer number (21673785).

Almost surely, 2134170985 is an apocalyptic number.

It is an amenable number.

134170985 is a deficient number, since it is larger than the sum of its proper divisors (39219295).

134170985 is a wasteful number, since it uses less digits than its factorization.

134170985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064187.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 134170985 is about 11583.2199754645. The cubic root of 134170985 is about 511.9405563007.

The spelling of 134170985 in words is "one hundred thirty-four million, one hundred seventy thousand, nine hundred eighty-five".

Divisors: 1 5 13 65 2064169 10320845 26834197 134170985