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1087898112 = 29327291163
BaseRepresentation
bin100000011011000…
…0000001000000000
32210211001221122200
41000312000020000
54212000214422
6255541233200
735646660420
oct10066001000
92724057580
101087898112
115090a9a54
12264402800
131445044c2
14a46ac480
15657952ac
hex40d80200

1087898112 has 240 divisors, whose sum is σ = 3715208640. Its totient is φ = 299851776.

The previous prime is 1087898093. The next prime is 1087898113. The reversal of 1087898112 is 2118987801.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1087898113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 934843 + ... + 936005.

It is an arithmetic number, because the mean of its divisors is an integer number (15480036).

Almost surely, 21087898112 is an apocalyptic number.

1087898112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1087898112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1857604320).

1087898112 is an abundant number, since it is smaller than the sum of its proper divisors (2627310528).

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

1087898112 is a wasteful number, since it uses less digits than its factorization.

1087898112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223 (or 1204 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 45.

The square root of 1087898112 is about 32983.3005019207. The cubic root of 1087898112 is about 1028.4805295333.

The spelling of 1087898112 in words is "one billion, eighty-seven million, eight hundred ninety-eight thousand, one hundred twelve".