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2745250560 = 283251323797
BaseRepresentation
bin1010001110100001…
…0011001100000000
321002022200011210200
42203220103030000
521110241004220
61132224125200
7125013146643
oct24350231400
97068604720
102745250560
111189693418
12647466800
1334999b120
141c0851a5a
15111022890
hexa3a13300

2745250560 has 432 divisors, whose sum is σ = 10687045824. Its totient is φ = 645562368.

The previous prime is 2745250531. The next prime is 2745250561. The reversal of 2745250560 is 650525472.

2745250560 is a `hidden beast` number, since 2 + 7 + 45 + 2 + 50 + 560 = 666.

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 (2745250561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3444082 + ... + 3444878.

It is an arithmetic number, because the mean of its divisors is an integer number (24738532).

Almost surely, 22745250560 is an apocalyptic number.

2745250560 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 2745250560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5343522912).

2745250560 is an abundant number, since it is smaller than the sum of its proper divisors (7941795264).

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

2745250560 is a wasteful number, since it uses less digits than its factorization.

2745250560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860 (or 843 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 2745250560 is about 52395.1387057998. The cubic root of 2745250560 is about 1400.2126479711.

The spelling of 2745250560 in words is "two billion, seven hundred forty-five million, two hundred fifty thousand, five hundred sixty".