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385064634 = 2373879143
BaseRepresentation
bin10110111100111…
…001111010111010
3222211120022101010
4112330321322322
51242034032014
6102113134350
712353665263
oct2674717272
9884508333
10385064634
111883a4839
12a8b5a3b6
1361a124c6
14391d796a
1523c13359
hex16f39eba

385064634 has 16 divisors (see below), whose sum is σ = 780679872. Its totient is φ = 126596448.

The previous prime is 385064633. The next prime is 385064657. The reversal of 385064634 is 436460583.

It is a junction number, because it is equal to n+sod(n) for n = 385064592 and 385064601.

It is not an unprimeable number, because it can be changed into a prime (385064633) 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 7 ways as a sum of consecutive naturals, for example, 439134 + ... + 440009.

It is an arithmetic number, because the mean of its divisors is an integer number (48792492).

Almost surely, 2385064634 is an apocalyptic number.

385064634 is an abundant number, since it is smaller than the sum of its proper divisors (395615238).

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

385064634 is a wasteful number, since it uses less digits than its factorization.

385064634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879221.

The product of its (nonzero) digits is 207360, while the sum is 39.

The square root of 385064634 is about 19623.0638280570. The cubic root of 385064634 is about 727.5193424316.

The spelling of 385064634 in words is "three hundred eighty-five million, sixty-four thousand, six hundred thirty-four".

Divisors: 1 2 3 6 73 146 219 438 879143 1758286 2637429 5274858 64177439 128354878 192532317 385064634