Search a number
-
+
88443628 = 227213103337
BaseRepresentation
bin1010100010110…
…00101011101100
320011102101211221
411101120223230
5140120144003
612435353124
72122521100
oct521305354
9204371757
1088443628
1145a19009
12257527a4
1315428710
14ba63900
157b707bd
hex5458aec

88443628 has 72 divisors (see below), whose sum is σ = 196359072. Its totient is φ = 34546176.

The previous prime is 88443617. The next prime is 88443643. The reversal of 88443628 is 82634488.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 262276 + ... + 262612.

Almost surely, 288443628 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 88443628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98179536).

88443628 is an abundant number, since it is smaller than the sum of its proper divisors (107915444).

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

88443628 is a wasteful number, since it uses less digits than its factorization.

88443628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471 (or 462 counting only the distinct ones).

The product of its digits is 294912, while the sum is 43.

The square root of 88443628 is about 9404.4472458513. The cubic root of 88443628 is about 445.5422048884.

The spelling of 88443628 in words is "eighty-eight million, four hundred forty-three thousand, six hundred twenty-eight".

Divisors: 1 2 4 7 13 14 26 28 49 52 91 98 103 182 196 206 337 364 412 637 674 721 1274 1339 1348 1442 2359 2548 2678 2884 4381 4718 5047 5356 8762 9373 9436 10094 16513 17524 18746 20188 30667 33026 34711 37492 61334 65611 66052 69422 122668 131222 138844 214669 242977 262444 429338 451243 485954 858676 902486 971908 1700839 1804972 3158701 3401678 6317402 6803356 12634804 22110907 44221814 88443628