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2159089156 = 227233192
BaseRepresentation
bin1000000010110001…
…0001011000000100
312120110201002112001
42000230101120010
513410211323111
6554124435044
7104334645400
oct20054213004
95513632461
102159089156
11a08827704
125030a8a84
13285409363
14166a6c100
15c983a1c1
hex80b11604

2159089156 has 27 divisors (see below), whose sum is σ = 4396613319. Its totient is φ = 925045128.

The previous prime is 2159089139. The next prime is 2159089159. The reversal of 2159089156 is 6519809512.

The square root of 2159089156 is 46466.

It is a perfect power (a square), and thus also a powerful number.

It is not an unprimeable number, because it can be changed into a prime (2159089159) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 648865 + ... + 652183.

Almost surely, 22159089156 is an apocalyptic number.

2159089156 is the 46466-th square number.

It is an amenable number.

2159089156 is an abundant number, since it is smaller than the sum of its proper divisors (2237524163).

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

2159089156 is an frugal number, since it uses more digits than its factorization.

2159089156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6656 (or 3328 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 46.

The cubic root of 2159089156 is about 1292.4790890369.

The spelling of 2159089156 in words is "two billion, one hundred fifty-nine million, eighty-nine thousand, one hundred fifty-six".

Divisors: 1 2 4 7 14 28 49 98 196 3319 6638 13276 23233 46466 92932 162631 325262 650524 11015761 22031522 44063044 77110327 154220654 308441308 539772289 1079544578 2159089156