Search a number
-
+
385446648 = 23328335669
BaseRepresentation
bin10110111110010…
…111001011111000
3222212021201101210
4112332113023320
51242133243043
6102125243120
712360146106
oct2676271370
9885251353
10385446648
11188635854
12a91034a0
1361b17352
1439296c76
1523c8b633
hex16f972f8

385446648 has 32 divisors (see below), whose sum is σ = 964126800. Its totient is φ = 128414208.

The previous prime is 385446631. The next prime is 385446679. The reversal of 385446648 is 846644583.

It is a junction number, because it is equal to n+sod(n) for n = 385446597 and 385446606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65158 + ... + 70826.

Almost surely, 2385446648 is an apocalyptic number.

It is an amenable number.

385446648 is an abundant number, since it is smaller than the sum of its proper divisors (578680152).

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

385446648 is a wasteful number, since it uses less digits than its factorization.

385446648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8511 (or 8507 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 48.

The square root of 385446648 is about 19632.7952161683. The cubic root of 385446648 is about 727.7598481314.

The spelling of 385446648 in words is "three hundred eighty-five million, four hundred forty-six thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 24 2833 5666 5669 8499 11332 11338 16998 17007 22664 22676 33996 34014 45352 67992 68028 136056 16060277 32120554 48180831 64241108 96361662 128482216 192723324 385446648