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2539090080 = 25325171953103
BaseRepresentation
bin1001011101010111…
…0111000010100000
320112221202010210100
42113111313002200
520200001340310
61055541302400
7116630623662
oct22725670240
96487663710
102539090080
111093282a5a
125aa404a00
13316067a87
141a1308532
15ecd9cec0
hex975770a0

2539090080 has 576 divisors, whose sum is σ = 9934928640. Its totient is φ = 586579968.

The previous prime is 2539090049. The next prime is 2539090087. The reversal of 2539090080 is 800909352.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2539090087) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 24651309 + ... + 24651411.

It is an arithmetic number, because the mean of its divisors is an integer number (17248140).

Almost surely, 22539090080 is an apocalyptic number.

2539090080 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 2539090080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4967464320).

2539090080 is an abundant number, since it is smaller than the sum of its proper divisors (7395838560).

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

2539090080 is a wasteful number, since it uses less digits than its factorization.

2539090080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 2539090080 is about 50389.3845963612. The cubic root of 2539090080 is about 1364.2460433967.

The spelling of 2539090080 in words is "two billion, five hundred thirty-nine million, ninety thousand, eighty".