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385707808 = 25103117023
BaseRepresentation
bin10110111111010…
…110111100100000
3222212202222122101
4112333112330200
51242220122213
6102135020144
712362314363
oct2677267440
9885688571
10385707808
111887a3a92
12a920a654
1361ba9195
14393240da
1523cddbdd
hex16fd6f20

385707808 has 24 divisors (see below), whose sum is σ = 766741248. Its totient is φ = 190979904.

The previous prime is 385707799. The next prime is 385707821. The reversal of 385707808 is 808707583.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 55216 + ... + 61807.

It is an arithmetic number, because the mean of its divisors is an integer number (31947552).

Almost surely, 2385707808 is an apocalyptic number.

It is an amenable number.

385707808 is a deficient number, since it is larger than the sum of its proper divisors (381033440).

385707808 is a wasteful number, since it uses less digits than its factorization.

385707808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117136 (or 117128 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 46.

The square root of 385707808 is about 19639.4452060133. The cubic root of 385707808 is about 727.9241759776.

The spelling of 385707808 in words is "three hundred eighty-five million, seven hundred seven thousand, eight hundred eight".

Divisors: 1 2 4 8 16 32 103 206 412 824 1648 3296 117023 234046 468092 936184 1872368 3744736 12053369 24106738 48213476 96426952 192853904 385707808