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386943293 = 11103341521
BaseRepresentation
bin10111000100000…
…100100100111101
3222222002202102002
4113010010210331
51243024141133
6102221312045
712405651362
oct2704044475
9888082362
10386943293
11189468250
12a9705625
136221c639
1439566469
1523e84ce8
hex1710493d

386943293 has 8 divisors (see below), whose sum is σ = 426219456. Its totient is φ = 348350400.

The previous prime is 386943287. The next prime is 386943311. The reversal of 386943293 is 392349683.

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 386943293 - 218 = 386681149 is a prime.

It is a super-2 number, since 2×3869432932 = 299450223995367698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386943203) 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 7 ways as a sum of consecutive naturals, for example, 169628 + ... + 171893.

It is an arithmetic number, because the mean of its divisors is an integer number (53277432).

Almost surely, 2386943293 is an apocalyptic number.

It is an amenable number.

386943293 is a deficient number, since it is larger than the sum of its proper divisors (39276163).

386943293 is a wasteful number, since it uses less digits than its factorization.

386943293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341635.

The product of its digits is 839808, while the sum is 47.

The square root of 386943293 is about 19670.8742306996. The cubic root of 386943293 is about 728.7005675392.

The spelling of 386943293 in words is "three hundred eighty-six million, nine hundred forty-three thousand, two hundred ninety-three".

Divisors: 1 11 103 1133 341521 3756731 35176663 386943293