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8989884225 = 345274432
BaseRepresentation
bin10000101111101011…
…01011111101000001
3212012112001102210000
420113311223331001
5121402402243400
64044020230213
7435530520000
oct102765537501
925175042700
108989884225
1138a3612093
1218aa83b369
13b0364ab2a
14613d40c37
1537937e600
hex217d6bf41

8989884225 has 225 divisors, whose sum is σ = 19888901043. Its totient is φ = 4014087840.

The previous prime is 8989884199. The next prime is 8989884317. The reversal of 8989884225 is 5224889898.

The square root of 8989884225 is 94815.

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

It can be written as a sum of positive squares in only one way, i.e., 3236358321 + 5753525904 = 56889^2 + 75852^2 .

It is a tau number, because it is divible by the number of its divisors (225).

It is not a de Polignac number, because 8989884225 - 27 = 8989884097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 224 ways as a sum of consecutive naturals, for example, 209067054 + ... + 209067096.

Almost surely, 28989884225 is an apocalyptic number.

8989884225 is the 94815-th square number.

8989884225 is the 47408-th centered octagonal number.

It is an amenable number.

8989884225 is an abundant number, since it is smaller than the sum of its proper divisors (10899016818).

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

8989884225 is an frugal number, since it uses more digits than its factorization.

8989884225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 58 counting only the distinct ones).

The product of its digits is 26542080, while the sum is 63.

The cubic root of 8989884225 is about 2079.3042101521.

The spelling of 8989884225 in words is "eight billion, nine hundred eighty-nine million, eight hundred eighty-four thousand, two hundred twenty-five".