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393082071 = 3131027357
BaseRepresentation
bin10111011011011…
…111010011010111
31000101122122020020
4113123133103113
51301112111241
6103001040223
712512066604
oct2733372327
91011578206
10393082071
11191980418
12ab786073
136358b855
143a2c36ab
1524798b66
hex176df4d7

393082071 has 4 divisors (see below), whose sum is σ = 524109432. Its totient is φ = 262054712.

The previous prime is 393082069. The next prime is 393082073. The reversal of 393082071 is 170280393.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (393082069) and next prime (393082073).

It is a cyclic number.

It is not a de Polignac number, because 393082071 - 21 = 393082069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393082073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65513676 + ... + 65513681.

It is an arithmetic number, because the mean of its divisors is an integer number (131027358).

Almost surely, 2393082071 is an apocalyptic number.

393082071 is a deficient number, since it is larger than the sum of its proper divisors (131027361).

393082071 is a wasteful number, since it uses less digits than its factorization.

393082071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131027360.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 393082071 is about 19826.2974606960. The cubic root of 393082071 is about 732.5339295555.

The spelling of 393082071 in words is "three hundred ninety-three million, eighty-two thousand, seventy-one".

Divisors: 1 3 131027357 393082071