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385321934 = 242121087
BaseRepresentation
bin10110111101111…
…000101111001110
3222212001101022202
4112331320233032
51242120300214
6102122441502
712356116364
oct2675705716
9885041282
10385321934
11188560088
12a9063292
1361aa265a
1439263634
1523c646de
hex16f78bce

385321934 has 12 divisors (see below), whose sum is σ = 579892032. Its totient is φ = 192026520.

The previous prime is 385321907. The next prime is 385321943. The reversal of 385321934 is 439123583.

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 in 5 ways as a sum of consecutive naturals, for example, 353939 + ... + 355025.

It is an arithmetic number, because the mean of its divisors is an integer number (48324336).

Almost surely, 2385321934 is an apocalyptic number.

385321934 is a deficient number, since it is larger than the sum of its proper divisors (194570098).

385321934 is an equidigital number, since it uses as much as digits as its factorization.

385321934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1931 (or 1510 counting only the distinct ones).

The product of its digits is 77760, while the sum is 38.

The square root of 385321934 is about 19629.6187940571. The cubic root of 385321934 is about 727.6813490422.

The spelling of 385321934 in words is "three hundred eighty-five million, three hundred twenty-one thousand, nine hundred thirty-four".

Divisors: 1 2 421 842 1087 2174 177241 354482 457627 915254 192660967 385321934