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385192000 = 265389541
BaseRepresentation
bin10110111101011…
…001000001000000
3222211210210002101
4112331121001000
51242102121000
6102120000144
712355035514
oct2675310100
9884723071
10385192000
111884814a6
12a9000054
1361a5847b
143922c144
1523c3ae6a
hex16f59040

385192000 has 112 divisors (see below), whose sum is σ = 966429360. Its totient is φ = 152064000.

The previous prime is 385191991. The next prime is 385192009. The reversal of 385192000 is 291583.

It is an interprime number because it is at equal distance from previous prime (385191991) and next prime (385192009).

It can be written as a sum of positive squares in 8 ways, for example, as 207129664 + 178062336 = 14392^2 + 13344^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 385192000.

It is not an unprimeable number, because it can be changed into a prime (385192009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 711730 + ... + 712270.

Almost surely, 2385192000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 385192000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (483214680).

385192000 is an abundant number, since it is smaller than the sum of its proper divisors (581237360).

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

385192000 is an equidigital number, since it uses as much as digits as its factorization.

385192000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657 (or 637 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 385192000 is about 19626.3088735503. The cubic root of 385192000 is about 727.5995462951.

The spelling of 385192000 in words is "three hundred eighty-five million, one hundred ninety-two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 89 100 125 160 178 200 250 320 356 400 445 500 541 712 800 890 1000 1082 1424 1600 1780 2000 2164 2225 2705 2848 3560 4000 4328 4450 5410 5696 7120 8000 8656 8900 10820 11125 13525 14240 17312 17800 21640 22250 27050 28480 34624 35600 43280 44500 48149 54100 67625 71200 86560 89000 96298 108200 135250 142400 173120 178000 192596 216400 240745 270500 356000 385192 432800 481490 541000 712000 770384 865600 962980 1082000 1203725 1540768 1925960 2164000 2407450 3081536 3851920 4328000 4814900 6018625 7703840 9629800 12037250 15407680 19259600 24074500 38519200 48149000 77038400 96298000 192596000 385192000