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393170241 = 3314227637
BaseRepresentation
bin10111011011110…
…100110101000001
31000101211010011210
4113123310311001
51301122421431
6103003000333
712512614632
oct2733646501
91011733153
10393170241
11191a30692
12ab8090a9
13635bca19
143a307889
15247b4d46
hex176f4d41

393170241 has 8 divisors (see below), whose sum is σ = 541137664. Its totient is φ = 253658160.

The previous prime is 393170201. The next prime is 393170263. The reversal of 393170241 is 142071393.

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

It is not a de Polignac number, because 393170241 - 29 = 393169729 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 393170199 and 393170208.

It is not an unprimeable number, because it can be changed into a prime (393170201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2113726 + ... + 2113911.

It is an arithmetic number, because the mean of its divisors is an integer number (67642208).

Almost surely, 2393170241 is an apocalyptic number.

393170241 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

393170241 is a deficient number, since it is larger than the sum of its proper divisors (147967423).

393170241 is a wasteful number, since it uses less digits than its factorization.

393170241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4227671.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 393170241 is about 19828.5208979389. The cubic root of 393170241 is about 732.5886956318.

The spelling of 393170241 in words is "three hundred ninety-three million, one hundred seventy thousand, two hundred forty-one".

Divisors: 1 3 31 93 4227637 12682911 131056747 393170241