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385501039 = 71123712301
BaseRepresentation
bin10110111110100…
…100011101101111
3222212101111000021
4112332210131233
51242142013124
6102130343011
712360463510
oct2676443557
9885344007
10385501039
11188672700
12a912aa67
1361b36031
14392aca07
1523c9c7e4
hex16fa476f

385501039 has 24 divisors (see below), whose sum is σ = 497394464. Its totient is φ = 292248000.

The previous prime is 385501033. The next prime is 385501057. The reversal of 385501039 is 930105583.

It is not a de Polignac number, because 385501039 - 29 = 385500527 is a prime.

It is a super-2 number, since 2×3855010392 = 297222102140159042, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 385500995 and 385501013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385501033) 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 23 ways as a sum of consecutive naturals, for example, 25189 + ... + 37489.

Almost surely, 2385501039 is an apocalyptic number.

385501039 is a deficient number, since it is larger than the sum of its proper divisors (111893425).

385501039 is a wasteful number, since it uses less digits than its factorization.

385501039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12367 (or 12356 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 385501039 is about 19634.1803750500. The cubic root of 385501039 is about 727.7940783111.

The spelling of 385501039 in words is "three hundred eighty-five million, five hundred one thousand, thirty-nine".

Divisors: 1 7 11 37 77 121 259 407 847 2849 4477 12301 31339 86107 135311 455137 947177 1488421 3185959 5006507 10418947 35045549 55071577 385501039