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1086378488 = 231343277877
BaseRepresentation
bin100000011000000…
…1101000111111000
32210201012202010022
41000300031013320
54211103102423
6255444510012
735631031136
oct10060150770
92721182108
101086378488
11508261268
122639ab308
131440c1910
14a43d4756
1565594dc8
hex40c0d1f8

1086378488 has 64 divisors (see below), whose sum is σ = 2255336160. Its totient is φ = 487420416.

The previous prime is 1086378479. The next prime is 1086378493. The reversal of 1086378488 is 8848736801.

It is a happy number.

It is a super-2 number, since 2×10863784882 = 2360436438378332288, which contains 22 as substring.

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, 1238306 + ... + 1239182.

Almost surely, 21086378488 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 1086378488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1127668080).

1086378488 is an abundant number, since it is smaller than the sum of its proper divisors (1168957672).

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

1086378488 is a wasteful number, since it uses less digits than its factorization.

1086378488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216 (or 1212 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 53.

The square root of 1086378488 is about 32960.2561883248. The cubic root of 1086378488 is about 1028.0014307540.

The spelling of 1086378488 in words is "one billion, eighty-six million, three hundred seventy-eight thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 13 26 43 52 86 104 172 277 344 554 559 877 1108 1118 1754 2216 2236 3508 3601 4472 7016 7202 11401 11911 14404 22802 23822 28808 37711 45604 47644 75422 91208 95288 150844 154843 242929 301688 309686 485858 490243 619372 971716 980486 1238744 1943432 1960972 3158077 3921944 6316154 10445947 12632308 20891894 25264616 41783788 83567576 135797311 271594622 543189244 1086378488