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385753982 = 2192876991
BaseRepresentation
bin10110111111100…
…010001101111110
3222212212022222112
4112333202031332
51242223111412
6102140014022
712362566115
oct2677421576
9885768875
10385753982
11188825749
12a9231312
1361bc41c3
1439336c7c
1523cec722
hex16fe237e

385753982 has 4 divisors (see below), whose sum is σ = 578630976. Its totient is φ = 192876990.

The previous prime is 385753967. The next prime is 385754003. The reversal of 385753982 is 289357583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 289357583 = 894132363.

It is a super-2 number, since 2×3857539822 = 297612269257712648, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 385753982.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96438494 + ... + 96438497.

It is an arithmetic number, because the mean of its divisors is an integer number (144657744).

Almost surely, 2385753982 is an apocalyptic number.

385753982 is a deficient number, since it is larger than the sum of its proper divisors (192876994).

385753982 is a wasteful number, since it uses less digits than its factorization.

385753982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192876993.

The product of its digits is 1814400, while the sum is 50.

The square root of 385753982 is about 19640.6207132056. The cubic root of 385753982 is about 727.9532219973.

The spelling of 385753982 in words is "three hundred eighty-five million, seven hundred fifty-three thousand, nine hundred eighty-two".

Divisors: 1 2 192876991 385753982