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385367388 = 223725717851
BaseRepresentation
bin10110111110000…
…011110101011100
3222212010200200020
4112332003311130
51242123224023
6102123432140
712356366040
oct2676036534
9885120606
10385367388
1118859124a
12a9085650
1361aba253
1439276020
1523c72de3
hex16f83d5c

385367388 has 48 divisors (see below), whose sum is σ = 1031702784. Its totient is φ = 109670400.

The previous prime is 385367387. The next prime is 385367431. The reversal of 385367388 is 883763583.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 385367388.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385367387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12663 + ... + 30513.

It is an arithmetic number, because the mean of its divisors is an integer number (21493808).

Almost surely, 2385367388 is an apocalyptic number.

It is an amenable number.

385367388 is an abundant number, since it is smaller than the sum of its proper divisors (646335396).

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

385367388 is a wasteful number, since it uses less digits than its factorization.

385367388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18122 (or 18120 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 51.

The square root of 385367388 is about 19630.7765511199. The cubic root of 385367388 is about 727.7099612447.

The spelling of 385367388 in words is "three hundred eighty-five million, three hundred sixty-seven thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 257 514 771 1028 1542 1799 3084 3598 5397 7196 10794 17851 21588 35702 53553 71404 107106 124957 214212 249914 374871 499828 749742 1499484 4587707 9175414 13763121 18350828 27526242 32113949 55052484 64227898 96341847 128455796 192683694 385367388