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3748822560 = 25345731243
BaseRepresentation
bin1101111101110010…
…0111111000100000
3100200021001220210000
43133130213320200
530134144310220
61415554140000
7161620315560
oct33734477040
910607056700
103748822560
11165412696a
12887581600
13479889102
14277c4cda0
1516e1ac390
hexdf727e20

3748822560 has 720 divisors, whose sum is σ = 15987077568. Its totient is φ = 809948160.

The previous prime is 3748822559. The next prime is 3748822579. The reversal of 3748822560 is 652288473.

3748822560 is a `hidden beast` number, since 3 + 7 + 4 + 8 + 82 + 2 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 87181899 + ... + 87181941.

Almost surely, 23748822560 is an apocalyptic number.

3748822560 is a gapful number since it is divisible by the number (30) 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 3748822560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7993538784).

3748822560 is an abundant number, since it is smaller than the sum of its proper divisors (12238255008).

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

3748822560 is a wasteful number, since it uses less digits than its factorization.

3748822560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 3748822560 is about 61227.6290574770. The cubic root of 3748822560 is about 1553.4536324071.

The spelling of 3748822560 in words is "three billion, seven hundred forty-eight million, eight hundred twenty-two thousand, five hundred sixty".