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385444535 = 57497331
BaseRepresentation
bin10110111110010…
…110101010110111
3222212021121111112
4112332112222313
51242133211120
6102125225235
712360140000
oct2676265267
9885247445
10385444535
11188634203
12a910221b
1361b163b8
14392961a7
1523c8abc5
hex16f96ab7

385444535 has 40 divisors (see below), whose sum is σ = 546800016. Its totient is φ = 260789760.

The previous prime is 385444529. The next prime is 385444537. The reversal of 385444535 is 535444583.

It is not a de Polignac number, because 385444535 - 224 = 368667319 is a prime.

It is a super-2 number, since 2×3854445352 = 297134979122732450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 385444492 and 385444501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385444537) 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 39 ways as a sum of consecutive naturals, for example, 1164320 + ... + 1164650.

Almost surely, 2385444535 is an apocalyptic number.

385444535 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

385444535 is a deficient number, since it is larger than the sum of its proper divisors (161355481).

385444535 is an frugal number, since it uses more digits than its factorization.

385444535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461 (or 440 counting only the distinct ones).

The product of its digits is 576000, while the sum is 41.

The square root of 385444535 is about 19632.7414030746. The cubic root of 385444535 is about 727.7585182808.

The spelling of 385444535 in words is "three hundred eighty-five million, four hundred forty-four thousand, five hundred thirty-five".

Divisors: 1 5 7 35 49 97 245 331 343 485 679 1655 1715 2317 2401 3395 4753 11585 12005 16219 23765 32107 33271 81095 113533 160535 166355 224749 232897 567665 794731 1123745 1164485 1573243 3973655 7866215 11012701 55063505 77088907 385444535