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382290697 = 1923728621
BaseRepresentation
bin10110110010010…
…100101100001001
3222122100101020201
4112302110230021
51240331300242
6101533452201
712321263065
oct2662245411
9878311221
10382290697
1118687a728
12a8041061
1361280a19
1438ab4aa5
15238664b7
hex16c94b09

382290697 has 12 divisors (see below), whose sum is σ = 414389316. Its totient is φ = 352369440.

The previous prime is 382290653. The next prime is 382290703. The reversal of 382290697 is 796092283.

It can be written as a sum of positive squares in 2 ways, for example, as 146023056 + 236267641 = 12084^2 + 15371^2 .

It is not a de Polignac number, because 382290697 - 211 = 382288649 is a prime.

It is a super-2 number, since 2×3822906972 = 292292354025491618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (382290607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 954 + ... + 27667.

It is an arithmetic number, because the mean of its divisors is an integer number (34532443).

Almost surely, 2382290697 is an apocalyptic number.

382290697 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

382290697 is the 11289-th hex number.

It is an amenable number.

382290697 is a deficient number, since it is larger than the sum of its proper divisors (32098619).

382290697 is a wasteful number, since it uses less digits than its factorization.

382290697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28696 (or 28677 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 382290697 is about 19552.2555476344. The cubic root of 382290697 is about 725.7681573706.

The spelling of 382290697 in words is "three hundred eighty-two million, two hundred ninety thousand, six hundred ninety-seven".

Divisors: 1 19 37 361 703 13357 28621 543799 1058977 10332181 20120563 382290697