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385682450 = 252371631279
BaseRepresentation
bin10110111111010…
…000110000010010
3222212201200212012
4112333100300102
51242213314300
6102134302522
712362150426
oct2677206022
9885650765
10385682450
11188786a2a
12a91b7a42
1361b9a78a
1439318b86
1523cd6435
hex16fd0c12

385682450 has 48 divisors (see below), whose sum is σ = 741857280. Its totient is φ = 149065920.

The previous prime is 385682441. The next prime is 385682459. The reversal of 385682450 is 54286583.

It is an interprime number because it is at equal distance from previous prime (385682441) and next prime (385682459).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 385682398 and 385682407.

It is not an unprimeable number, because it can be changed into a prime (385682459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 300911 + ... + 302189.

It is an arithmetic number, because the mean of its divisors is an integer number (15455360).

Almost surely, 2385682450 is an apocalyptic number.

385682450 is a deficient number, since it is larger than the sum of its proper divisors (356174830).

385682450 is a wasteful number, since it uses less digits than its factorization.

385682450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491 (or 1486 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 41.

The square root of 385682450 is about 19638.7996069006. The cubic root of 385682450 is about 727.9082233961.

The spelling of 385682450 in words is "three hundred eighty-five million, six hundred eighty-two thousand, four hundred fifty".

Divisors: 1 2 5 10 25 37 50 74 163 185 326 370 815 925 1279 1630 1850 2558 4075 6031 6395 8150 12062 12790 30155 31975 47323 60310 63950 94646 150775 208477 236615 301550 416954 473230 1042385 1183075 2084770 2366150 5211925 7713649 10423850 15427298 38568245 77136490 192841225 385682450