Search a number
-
+
80888192 = 2771129283
BaseRepresentation
bin1001101001001…
…00000110000000
312122012112201222
410310210012000
5131201410232
612005414212
72001352430
oct464440600
9178175658
1080888192
1141728550
122310a368
13139b1748
14aa582c0
15717bd12
hex4d24180

80888192 has 128 divisors (see below), whose sum is σ = 208569600. Its totient is φ = 30320640.

The previous prime is 80888189. The next prime is 80888237. The reversal of 80888192 is 29188808.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285683 + ... + 285965.

It is an arithmetic number, because the mean of its divisors is an integer number (1629450).

Almost surely, 280888192 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 80888192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104284800).

80888192 is an abundant number, since it is smaller than the sum of its proper divisors (127681408).

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

80888192 is a wasteful number, since it uses less digits than its factorization.

80888192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 44.

The square root of 80888192 is about 8993.7862994403. The cubic root of 80888192 is about 432.4756991258.

The spelling of 80888192 in words is "eighty million, eight hundred eighty-eight thousand, one hundred ninety-two".

Divisors: 1 2 4 7 8 11 14 16 22 28 29 32 44 56 58 64 77 88 112 116 128 154 176 203 224 232 283 308 319 352 406 448 464 566 616 638 704 812 896 928 1132 1232 1276 1408 1624 1856 1981 2233 2264 2464 2552 3113 3248 3712 3962 4466 4528 4928 5104 6226 6496 7924 8207 8932 9056 9856 10208 12452 12992 15848 16414 17864 18112 20416 21791 24904 25984 31696 32828 35728 36224 40832 43582 49808 57449 63392 65656 71456 87164 90277 99616 114898 126784 131312 142912 174328 180554 199232 229796 253568 262624 285824 348656 361108 398464 459592 525248 631939 697312 722216 919184 1050496 1263878 1394624 1444432 1838368 2527756 2789248 2888864 3676736 5055512 5777728 7353472 10111024 11555456 20222048 40444096 80888192