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8087230228 = 2271126257241
BaseRepresentation
bin1111000100000100…
…10101011100010100
3202212121112212021111
413202002111130110
5113030312331403
63414253224404
7404260215460
oct74202253424
922777485244
108087230228
113480037850
121698492104
139bb63543c
1456a0d34a0
15324ecb56d
hex1e2095714

8087230228 has 24 divisors (see below), whose sum is σ = 17644866624. Its totient is φ = 3150868800.

The previous prime is 8087230223. The next prime is 8087230231. The reversal of 8087230228 is 8220327808.

It is a happy number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8087230223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13128313 + ... + 13128928.

It is an arithmetic number, because the mean of its divisors is an integer number (735202776).

Almost surely, 28087230228 is an apocalyptic number.

It is an amenable number.

8087230228 is an abundant number, since it is smaller than the sum of its proper divisors (9557636396).

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

8087230228 is a wasteful number, since it uses less digits than its factorization.

8087230228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26257263 (or 26257261 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 8087230228 is about 89929.0288394131. The cubic root of 8087230228 is about 2007.2429240288.

The spelling of 8087230228 in words is "eight billion, eighty-seven million, two hundred thirty thousand, two hundred twenty-eight".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 26257241 52514482 105028964 183800687 288829651 367601374 577659302 735202748 1155318604 2021807557 4043615114 8087230228