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386106457 = 11314724091
BaseRepresentation
bin10111000000111…
…000010001011001
3222220112020111011
4113000320101121
51242320401312
6102151333521
712365564542
oct2700702131
9886466434
10386106457
11188a46550
12a93812a1
1361cb8779
14393c94c9
1523d6bda7
hex17038459

386106457 has 16 divisors (see below), whose sum is σ = 444063744. Its totient is φ = 332442000.

The previous prime is 386106421. The next prime is 386106509. The reversal of 386106457 is 754601683.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-386106457 is a prime.

It is a super-2 number, since 2×3861064572 = 298156392274185698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (386106757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3982 + ... + 28072.

It is an arithmetic number, because the mean of its divisors is an integer number (27753984).

Almost surely, 2386106457 is an apocalyptic number.

It is an amenable number.

386106457 is a deficient number, since it is larger than the sum of its proper divisors (57957287).

386106457 is a wasteful number, since it uses less digits than its factorization.

386106457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24180.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 386106457 is about 19649.5917769301. The cubic root of 386106457 is about 728.1748720763.

The spelling of 386106457 in words is "three hundred eighty-six million, one hundred six thousand, four hundred fifty-seven".

Divisors: 1 11 31 47 341 517 1457 16027 24091 265001 746821 1132277 8215031 12455047 35100587 386106457