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494308971 = 32137395717
BaseRepresentation
bin11101011101101…
…000111001101011
31021110010111102200
4131131220321223
52003020341341
6121014431243
715151362012
oct3535507153
91243114380
10494308971
1123402a712
12119662523
137b541920
1449913a79
152d5e1db6
hex1d768e6b

494308971 has 24 divisors (see below), whose sum is σ = 770100240. Its totient is φ = 303725376.

The previous prime is 494308957. The next prime is 494308979. The reversal of 494308971 is 179803494.

It is not a de Polignac number, because 494308971 - 214 = 494292587 is a prime.

It is a super-2 number, since 2×4943089712 = 488682717622157682, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (494308979) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83605 + ... + 89321.

It is an arithmetic number, because the mean of its divisors is an integer number (32087510).

Almost surely, 2494308971 is an apocalyptic number.

494308971 is a deficient number, since it is larger than the sum of its proper divisors (275791269).

494308971 is a wasteful number, since it uses less digits than its factorization.

494308971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6475 (or 6472 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 494308971 is about 22233.0603156650. The cubic root of 494308971 is about 790.6777130586.

The spelling of 494308971 in words is "four hundred ninety-four million, three hundred eight thousand, nine hundred seventy-one".

Divisors: 1 3 9 13 39 117 739 2217 5717 6651 9607 17151 28821 51453 74321 86463 222963 668889 4224863 12674589 38023767 54923219 164769657 494308971