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385373824 = 27111911433
BaseRepresentation
bin10110111110000…
…101011010000000
3222212011000111121
4112332011122000
51242123430244
6102123522024
712356423563
oct2676053200
9885130447
10385373824
11188596070
12a9089314
1361ac0164
14392784da
1523c74c84
hex16f85680

385373824 has 64 divisors (see below), whose sum is σ = 842503680. Its totient is φ = 174131200.

The previous prime is 385373761. The next prime is 385373831. The reversal of 385373824 is 428373583.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268212 + ... + 269644.

It is an arithmetic number, because the mean of its divisors is an integer number (13164120).

Almost surely, 2385373824 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 385373824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (421251840).

385373824 is an abundant number, since it is smaller than the sum of its proper divisors (457129856).

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

385373824 is a wasteful number, since it uses less digits than its factorization.

385373824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649 (or 1637 counting only the distinct ones).

The product of its digits is 483840, while the sum is 43.

The square root of 385373824 is about 19630.9404767067. The cubic root of 385373824 is about 727.7140123704.

It can be divided in two parts, 3853 and 73824, that added together give a palindrome (77677).

The spelling of 385373824 in words is "three hundred eighty-five million, three hundred seventy-three thousand, eight hundred twenty-four".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 128 176 191 352 382 704 764 1408 1433 1528 2101 2866 3056 4202 5732 6112 8404 11464 12224 15763 16808 22928 24448 31526 33616 45856 63052 67232 91712 126104 134464 183424 252208 268928 273703 504416 547406 1008832 1094812 2017664 2189624 3010733 4379248 6021466 8758496 12042932 17516992 24085864 35033984 48171728 96343456 192686912 385373824