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385333328 = 2428338501
BaseRepresentation
bin10110111101111…
…011100001010000
3222212001221221202
4112331323201100
51242121131303
6102123010332
712356164532
oct2675734120
9885057852
10385333328
111885686a6
12a90699a8
1361aa78b3
1439267852
1523c67c88
hex16f7b850

385333328 has 20 divisors (see below), whose sum is σ = 746934708. Its totient is φ = 192576000.

The previous prime is 385333327. The next prime is 385333337. The reversal of 385333328 is 823333583.

It can be written as a sum of positive squares in 2 ways, for example, as 83685904 + 301647424 = 9148^2 + 17368^2 .

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 385333291 and 385333300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385333321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41078 + ... + 49578.

Almost surely, 2385333328 is an apocalyptic number.

It is an amenable number.

385333328 is a deficient number, since it is larger than the sum of its proper divisors (361601380).

385333328 is a wasteful number, since it uses less digits than its factorization.

385333328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11342 (or 11336 counting only the distinct ones).

The product of its digits is 155520, while the sum is 38.

The square root of 385333328 is about 19629.9090166002. The cubic root of 385333328 is about 727.6885215032.

The spelling of 385333328 in words is "three hundred eighty-five million, three hundred thirty-three thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 16 2833 5666 8501 11332 17002 22664 34004 45328 68008 136016 24083333 48166666 96333332 192666664 385333328