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385353850 = 25276716433
BaseRepresentation
bin10110111110000…
…000100001111010
3222212010000002211
4112332000201322
51242122310400
6102123245334
712356311420
oct2676004172
9885100084
10385353850
11188582062
12a907984a
1361ab403b
1439271110
1523c6ddba
hex16f8087a

385353850 has 48 divisors (see below), whose sum is σ = 831428928. Its totient is φ = 130141440.

The previous prime is 385353821. The next prime is 385353869. The reversal of 385353850 is 58353583.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15234 + ... + 31666.

It is an arithmetic number, because the mean of its divisors is an integer number (17321436).

Almost surely, 2385353850 is an apocalyptic number.

385353850 is an abundant number, since it is smaller than the sum of its proper divisors (446075078).

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

385353850 is a wasteful number, since it uses less digits than its factorization.

385353850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16519 (or 16514 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 40.

The square root of 385353850 is about 19630.4317323894. The cubic root of 385353850 is about 727.7014396338.

The spelling of 385353850 in words is "three hundred eighty-five million, three hundred fifty-three thousand, eight hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 67 70 134 175 335 350 469 670 938 1675 2345 3350 4690 11725 16433 23450 32866 82165 115031 164330 230062 410825 575155 821650 1101011 1150310 2202022 2875775 5505055 5751550 7707077 11010110 15414154 27525275 38535385 55050550 77070770 192676925 385353850