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199795248 = 2434314973
BaseRepresentation
bin10111110100010…
…10001000110000
3111220221122120000
423322022020300
5402121421443
631454150000
74644142302
oct1372121060
9456848500
10199795248
11a2863144
1256ab2300
1332515053
141c76b972
15128188d3
hexbe8a230

199795248 has 100 divisors (see below), whose sum is σ = 597039168. Its totient is φ = 64437120.

The previous prime is 199795201. The next prime is 199795303. The reversal of 199795248 is 842597991.

It is a super-2 number, since 2×1997952482 = 79836282246763008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 199795194 and 199795203.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 37690 + ... + 42662.

Almost surely, 2199795248 is an apocalyptic number.

199795248 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 199795248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298519584).

199795248 is an abundant number, since it is smaller than the sum of its proper divisors (397243920).

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

199795248 is a wasteful number, since it uses less digits than its factorization.

199795248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5024 (or 5009 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 54.

The square root of 199795248 is about 14134.8946936297. The cubic root of 199795248 is about 584.6039133412.

The spelling of 199795248 in words is "one hundred ninety-nine million, seven hundred ninety-five thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 31 36 48 54 62 72 81 93 108 124 144 162 186 216 248 279 324 372 432 496 558 648 744 837 1116 1296 1488 1674 2232 2511 3348 4464 4973 5022 6696 9946 10044 13392 14919 19892 20088 29838 39784 40176 44757 59676 79568 89514 119352 134271 154163 179028 238704 268542 308326 358056 402813 462489 537084 616652 716112 805626 924978 1074168 1233304 1387467 1611252 1849956 2148336 2466608 2774934 3222504 3699912 4162401 5549868 6445008 7399824 8324802 11099736 12487203 16649604 22199472 24974406 33299208 49948812 66598416 99897624 199795248