Search a number
-
+
88093728 = 25321719947
BaseRepresentation
bin1010100000000…
…11010000100000
320010202121212200
411100003100200
5140022444403
612424053200
72116533012
oct520032040
9203677780
1088093728
11457aa138
1225604200
1315335388
14b9b21b2
157b01ca3
hex5403420

88093728 has 144 divisors (see below), whose sum is σ = 279508320. Its totient is φ = 26155008.

The previous prime is 88093637. The next prime is 88093729. The reversal of 88093728 is 82739088.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (88093729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92551 + ... + 93497.

It is an arithmetic number, because the mean of its divisors is an integer number (1941030).

Almost surely, 288093728 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 88093728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139754160).

88093728 is an abundant number, since it is smaller than the sum of its proper divisors (191414592).

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

88093728 is a wasteful number, since it uses less digits than its factorization.

88093728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999 (or 988 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 88093728 is about 9385.8259093167. The cubic root of 88093728 is about 444.9538781471.

The spelling of 88093728 in words is "eighty-eight million, ninety-three thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 17 18 19 24 32 34 36 38 48 51 57 68 72 76 96 102 114 136 144 152 153 171 204 228 272 288 304 306 323 342 408 456 544 608 612 646 684 816 912 947 969 1224 1292 1368 1632 1824 1894 1938 2448 2584 2736 2841 2907 3788 3876 4896 5168 5472 5682 5814 7576 7752 8523 10336 11364 11628 15152 15504 16099 17046 17993 22728 23256 30304 31008 32198 34092 35986 45456 46512 48297 53979 64396 68184 71972 90912 93024 96594 107958 128792 136368 143944 144891 161937 193188 215916 257584 272736 287888 289782 305881 323874 386376 431832 515168 575776 579564 611762 647748 772752 863664 917643 1159128 1223524 1295496 1545504 1727328 1835286 2318256 2447048 2590992 2752929 3670572 4636512 4894096 5181984 5505858 7341144 9788192 11011716 14682288 22023432 29364576 44046864 88093728