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385425396 = 223210706261
BaseRepresentation
bin10110111110010…
…001111111110100
3222212020122020200
4112332101333310
51242132103041
6102125000500
712360030126
oct2676217764
9885218220
10385425396
11188620894
12a90b3130
1361b0a785
143928d216
1523c851b6
hex16f91ff4

385425396 has 18 divisors (see below), whose sum is σ = 974269842. Its totient is φ = 128475120.

The previous prime is 385425361. The next prime is 385425407. The reversal of 385425396 is 693524583.

It can be written as a sum of positive squares in only one way, i.e., 240560100 + 144865296 = 15510^2 + 12036^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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, 5353095 + ... + 5353166.

Almost surely, 2385425396 is an apocalyptic number.

385425396 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

385425396 is an abundant number, since it is smaller than the sum of its proper divisors (588844446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

385425396 is a wasteful number, since it uses less digits than its factorization.

385425396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10706271 (or 10706266 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The square root of 385425396 is about 19632.2539714624. The cubic root of 385425396 is about 727.7464726213.

The spelling of 385425396 in words is "three hundred eighty-five million, four hundred twenty-five thousand, three hundred ninety-six".

Divisors: 1 2 3 4 6 9 12 18 36 10706261 21412522 32118783 42825044 64237566 96356349 128475132 192712698 385425396