Search a number
-
+
72993200 = 24527131199
BaseRepresentation
bin1000101100111…
…00100110110000
312002100102211212
410112130212300
5122141240300
611124255252
71544301110
oct426344660
9162312755
1072993200
1138225965
1220541528
1312179057
1499a1040
15661c935
hex459c9b0

72993200 has 120 divisors (see below), whose sum is σ = 202963200. Its totient is φ = 24710400.

The previous prime is 72993199. The next prime is 72993227. The reversal of 72993200 is 239927.

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, 366701 + ... + 366899.

It is an arithmetic number, because the mean of its divisors is an integer number (1691360).

Almost surely, 272993200 is an apocalyptic number.

72993200 is a gapful number since it is divisible by the number (70) 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 72993200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101481600).

72993200 is an abundant number, since it is smaller than the sum of its proper divisors (129970000).

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

72993200 is a wasteful number, since it uses less digits than its factorization.

72993200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 72993200 is about 8543.6057961495. The cubic root of 72993200 is about 417.9209422915.

The spelling of 72993200 in words is "seventy-two million, nine hundred ninety-three thousand, two hundred".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 35 40 50 56 70 80 100 112 131 140 175 199 200 262 280 350 398 400 524 560 655 700 796 917 995 1048 1310 1393 1400 1592 1834 1990 2096 2620 2786 2800 3184 3275 3668 3980 4585 4975 5240 5572 6550 6965 7336 7960 9170 9950 10480 11144 13100 13930 14672 15920 18340 19900 22288 22925 26069 26200 27860 34825 36680 39800 45850 52138 52400 55720 69650 73360 79600 91700 104276 111440 130345 139300 182483 183400 208552 260690 278600 364966 366800 417104 521380 557200 651725 729932 912415 1042760 1303450 1459864 1824830 2085520 2606900 2919728 3649660 4562075 5213800 7299320 9124150 10427600 14598640 18248300 36496600 72993200