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385897888 = 2512059309
BaseRepresentation
bin10111000000000…
…101010110100000
3222220010122101101
4113000011112200
51242242213023
6102143044144
712364035505
oct2700052640
9886118341
10385897888
11188913882
12a92a0654
1361c4485c
14393734ac
1523d2a1ad
hex170055a0

385897888 has 12 divisors (see below), whose sum is σ = 759736530. Its totient is φ = 192948928.

The previous prime is 385897877. The next prime is 385897891. The reversal of 385897888 is 888798583.

It can be written as a sum of positive squares in only one way, i.e., 376825744 + 9072144 = 19412^2 + 3012^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6029623 + ... + 6029686.

Almost surely, 2385897888 is an apocalyptic number.

It is an amenable number.

385897888 is a deficient number, since it is larger than the sum of its proper divisors (373838642).

385897888 is a wasteful number, since it uses less digits than its factorization.

385897888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12059319 (or 12059311 counting only the distinct ones).

The product of its digits is 30965760, while the sum is 64.

The square root of 385897888 is about 19644.2838505251. The cubic root of 385897888 is about 728.0437320265.

The spelling of 385897888 in words is "three hundred eighty-five million, eight hundred ninety-seven thousand, eight hundred eighty-eight".

Divisors: 1 2 4 8 16 32 12059309 24118618 48237236 96474472 192948944 385897888