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385056200 = 235229197337
BaseRepresentation
bin10110111100110…
…111110111001000
3222211112212210202
4112330313313020
51242033244300
6102113031332
712353631554
oct2674676710
9884485722
10385056200
11188399471
12a8b55548
1361a0b709
14391d4864
1523c10ad5
hex16f37dc8

385056200 has 96 divisors (see below), whose sum is σ = 933589800. Its totient is φ = 147517440.

The previous prime is 385056181. The next prime is 385056233. The reversal of 385056200 is 2650583.

It can be written as a sum of positive squares in 12 ways, for example, as 77334436 + 307721764 = 8794^2 + 17542^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

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, 1142432 + ... + 1142768.

Almost surely, 2385056200 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 385056200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (466794900).

385056200 is an abundant number, since it is smaller than the sum of its proper divisors (548533600).

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

385056200 is a wasteful number, since it uses less digits than its factorization.

385056200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579 (or 570 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 385056200 is about 19622.8489266977. The cubic root of 385056200 is about 727.5140308186.

The spelling of 385056200 in words is "three hundred eighty-five million, fifty-six thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 29 40 50 58 100 116 145 197 200 232 290 337 394 580 674 725 788 985 1160 1348 1450 1576 1685 1970 2696 2900 3370 3940 4925 5713 5800 6740 7880 8425 9773 9850 11426 13480 16850 19546 19700 22852 28565 33700 39092 39400 45704 48865 57130 66389 67400 78184 97730 114260 132778 142825 195460 228520 244325 265556 285650 331945 390920 488650 531112 571300 663890 977300 1142600 1327780 1659725 1925281 1954600 2655560 3319450 3850562 6638900 7701124 9626405 13277800 15402248 19252810 38505620 48132025 77011240 96264050 192528100 385056200