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1898201088 = 214337613
BaseRepresentation
bin111000100100100…
…0100000000000000
311220021210121101000
41301021010000000
512341414413323
6512205012000
765016304650
oct16111040000
94807717330
101898201088
11894537633
1244b854000
13243353b14
1414015a360
15b19a4e43
hex71244000

1898201088 has 240 divisors, whose sum is σ = 6438060160. Its totient is φ = 541458432.

The previous prime is 1898201059. The next prime is 1898201089. The reversal of 1898201088 is 8801028981.

It is not an unprimeable number, because it can be changed into a prime (1898201089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3096270 + ... + 3096882.

Almost surely, 21898201088 is an apocalyptic number.

1898201088 is a gapful number since it is divisible by the number (18) 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 1898201088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3219030080).

1898201088 is an abundant number, since it is smaller than the sum of its proper divisors (4539859072).

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

1898201088 is an frugal number, since it uses more digits than its factorization.

1898201088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657 (or 625 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 45.

The square root of 1898201088 is about 43568.3496129931. The cubic root of 1898201088 is about 1238.1713176685.

The spelling of 1898201088 in words is "one billion, eight hundred ninety-eight million, two hundred one thousand, eighty-eight".