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387716345 = 5242332003
BaseRepresentation
bin10111000111000…
…001010011111001
31000000120000211122
4113013001103321
51243223410340
6102250035025
712415351232
oct2707012371
91000500748
10387716345
11189946035
12a9a18a75
1362430473
14396c8089
1524088db5
hex171c14f9

387716345 has 8 divisors (see below), whose sum is σ = 465466176. Its totient is φ = 310035376.

The previous prime is 387716333. The next prime is 387716347. The reversal of 387716345 is 543617783.

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 387716345 - 26 = 387716281 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 387716296 and 387716305.

It is not an unprimeable number, because it can be changed into a prime (387716347) 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, 3887 + ... + 28116.

It is an arithmetic number, because the mean of its divisors is an integer number (58183272).

Almost surely, 2387716345 is an apocalyptic number.

It is an amenable number.

387716345 is a deficient number, since it is larger than the sum of its proper divisors (77749831).

387716345 is a wasteful number, since it uses less digits than its factorization.

387716345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34431.

The product of its digits is 423360, while the sum is 44.

The square root of 387716345 is about 19690.5140867373. The cubic root of 387716345 is about 729.1855212032.

The spelling of 387716345 in words is "three hundred eighty-seven million, seven hundred sixteen thousand, three hundred forty-five".

Divisors: 1 5 2423 12115 32003 160015 77543269 387716345