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385618224 = 24319422827
BaseRepresentation
bin10110111111000…
…001000100110000
3222212121102202110
4112333001010300
51242204240344
6102133045320
712361462245
oct2677010460
9885542673
10385618224
11188742752
12a9186840
1361b77484
14392dd5cc
1523cc23b9
hex16fc1130

385618224 has 40 divisors (see below), whose sum is σ = 1048613440. Its totient is φ = 121773888.

The previous prime is 385618201. The next prime is 385618279. The reversal of 385618224 is 422816583.

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, 210502 + ... + 212325.

It is an arithmetic number, because the mean of its divisors is an integer number (26215336).

Almost surely, 2385618224 is an apocalyptic number.

It is an amenable number.

385618224 is an abundant number, since it is smaller than the sum of its proper divisors (662995216).

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

385618224 is a wasteful number, since it uses less digits than its factorization.

385618224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422857 (or 422851 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The square root of 385618224 is about 19637.1643574117. The cubic root of 385618224 is about 727.8678160361.

The spelling of 385618224 in words is "three hundred eighty-five million, six hundred eighteen thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 16 19 24 38 48 57 76 114 152 228 304 456 912 422827 845654 1268481 1691308 2536962 3382616 5073924 6765232 8033713 10147848 16067426 20295696 24101139 32134852 48202278 64269704 96404556 128539408 192809112 385618224