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86381088 = 2533783293
BaseRepresentation
bin1010010011000…
…01001000100000
320000112121120120
411021201020200
5134103143323
612323240240
72066140623
oct511411040
9200477516
1086381088
114483a432
1224b19080
1314b85991
14b687dba
1578b45e3
hex5261220

86381088 has 96 divisors (see below), whose sum is σ = 236488896. Its totient is φ = 27583488.

The previous prime is 86381081. The next prime is 86381101. The reversal of 86381088 is 88018368.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (86381081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294670 + ... + 294962.

It is an arithmetic number, because the mean of its divisors is an integer number (2463426).

Almost surely, 286381088 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 86381088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118244448).

86381088 is an abundant number, since it is smaller than the sum of its proper divisors (150107808).

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

86381088 is a wasteful number, since it uses less digits than its factorization.

86381088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426 (or 418 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 42.

The square root of 86381088 is about 9294.1426715970. The cubic root of 86381088 is about 442.0515217406.

The spelling of 86381088 in words is "eighty-six million, three hundred eighty-one thousand, eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 37 48 74 83 96 111 148 166 222 249 293 296 332 444 498 586 592 664 879 888 996 1172 1184 1328 1758 1776 1992 2344 2656 3071 3516 3552 3984 4688 6142 7032 7968 9213 9376 10841 12284 14064 18426 21682 24319 24568 28128 32523 36852 43364 48638 49136 65046 72957 73704 86728 97276 98272 130092 145914 147408 173456 194552 260184 291828 294816 346912 389104 520368 583656 778208 899803 1040736 1167312 1799606 2334624 2699409 3599212 5398818 7198424 10797636 14396848 21595272 28793696 43190544 86381088