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2898985440 = 25351332749
BaseRepresentation
bin1010110011001011…
…0000000111100000
321111000221201102010
42230302300013200
521414120013230
61155355152520
7131560653411
oct25462600740
97430851363
102898985440
11125844673a
1268aa45740
133727a7000
141d702d808
1511e78d9b0
hexaccb01e0

2898985440 has 192 divisors, whose sum is σ = 9896040000. Its totient is φ = 713336832.

The previous prime is 2898985421. The next prime is 2898985459. The reversal of 2898985440 is 445898982.

It is an interprime number because it is at equal distance from previous prime (2898985421) and next prime (2898985459).

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 31 ways as a sum of consecutive naturals, for example, 1053186 + ... + 1055934.

It is an arithmetic number, because the mean of its divisors is an integer number (51541875).

Almost surely, 22898985440 is an apocalyptic number.

2898985440 is a gapful number since it is divisible by the number (20) 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 2898985440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4948020000).

2898985440 is an abundant number, since it is smaller than the sum of its proper divisors (6997054560).

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

2898985440 is a wasteful number, since it uses less digits than its factorization.

2898985440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2806 (or 2772 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 57.

The square root of 2898985440 is about 53842.2272941973. The cubic root of 2898985440 is about 1425.8768281667.

The spelling of 2898985440 in words is "two billion, eight hundred ninety-eight million, nine hundred eighty-five thousand, four hundred forty".