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385738441 = 113614751
BaseRepresentation
bin10110111111011…
…110011011001001
3222212211112122221
4112333132123021
51242222112231
6102135414041
712362502604
oct2677363311
9885745587
10385738441
11188815000
12a9224321
1361bba0ca
143933133b
1523ce7d11
hex16fde6c9

385738441 has 16 divisors (see below), whose sum is σ = 431329536. Its totient is φ = 344850000.

The previous prime is 385738429. The next prime is 385738453. The reversal of 385738441 is 144837583.

It is an interprime number because it is at equal distance from previous prime (385738429) and next prime (385738453).

It is not a de Polignac number, because 385738441 - 213 = 385730249 is a prime.

It is a super-2 number, since 2×3857384412 = 297588289730220962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (385738421) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 78816 + ... + 83566.

It is an arithmetic number, because the mean of its divisors is an integer number (26958096).

Almost surely, 2385738441 is an apocalyptic number.

It is an amenable number.

385738441 is a deficient number, since it is larger than the sum of its proper divisors (45591095).

385738441 is an equidigital number, since it uses as much as digits as its factorization.

385738441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4845 (or 4823 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The square root of 385738441 is about 19640.2250750851. The cubic root of 385738441 is about 727.9434461009.

The spelling of 385738441 in words is "three hundred eighty-five million, seven hundred thirty-eight thousand, four hundred forty-one".

Divisors: 1 11 61 121 671 1331 4751 7381 52261 81191 289811 574871 3187921 6323581 35067131 385738441