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1087020896 = 25133178243
BaseRepresentation
bin100000011001010…
…1001111101100000
32210202102101100012
41000302221331200
54211234132041
6255510344052
735636345063
oct10062517540
92722371305
101087020896
1150865a985
1226405b028
13144288140
14a45208da
15656703eb
hex40ca9f60

1087020896 has 48 divisors (see below), whose sum is σ = 2312244144. Its totient is φ = 500058624.

The previous prime is 1087020791. The next prime is 1087020901. The reversal of 1087020896 is 6980207801.

It is a super-2 number, since 2×10870208962 = 2363228856681285632, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 127751 + ... + 135993.

It is an arithmetic number, because the mean of its divisors is an integer number (48171753).

Almost surely, 21087020896 is an apocalyptic number.

1087020896 is a gapful number since it is divisible by the number (16) 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 1087020896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1156122072).

1087020896 is an abundant number, since it is smaller than the sum of its proper divisors (1225223248).

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

1087020896 is a wasteful number, since it uses less digits than its factorization.

1087020896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8583 (or 8575 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 1087020896 is about 32969.9999393388. Note that the first 4 decimals coincide. The cubic root of 1087020896 is about 1028.2040201285.

The spelling of 1087020896 in words is "one billion, eighty-seven million, twenty thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 317 416 634 1268 2536 4121 5072 8242 8243 10144 16484 16486 32968 32972 65936 65944 107159 131872 131888 214318 263776 428636 857272 1714544 2613031 3429088 5226062 10452124 20904248 33969403 41808496 67938806 83616992 135877612 271755224 543510448 1087020896