Search a number
-
+
90884048976 = 2435717375309
BaseRepresentation
bin101010010100100011…
…1001000100001010000
322200120212101001100000
41110221013020201100
52442112304031401
6105430200330000
76365122445550
oct1245107104120
9280525331300
1090884048976
11355a8749186
1215744a73900
138755022496
1445824a5160
15256dca7186
hex15291c8850

90884048976 has 480 divisors, whose sum is σ = 327871514880. Its totient is φ = 23774404608.

The previous prime is 90884048951. The next prime is 90884048989. The reversal of 90884048976 is 67984048809.

90884048976 is a `hidden beast` number, since 9 + 0 + 8 + 84 + 0 + 489 + 76 = 666.

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

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 95 ways as a sum of consecutive naturals, for example, 17116210 + ... + 17121518.

It is an arithmetic number, because the mean of its divisors is an integer number (683065656).

Almost surely, 290884048976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90884048976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163935757440).

90884048976 is an abundant number, since it is smaller than the sum of its proper divisors (236987465904).

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

90884048976 is a wasteful number, since it uses less digits than its factorization.

90884048976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5393 (or 5375 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 63.

The spelling of 90884048976 in words is "ninety billion, eight hundred eighty-four million, forty-eight thousand, nine hundred seventy-six".