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3739680 = 253257253
BaseRepresentation
bin1110010001000000100000
321000222212200
432101000200
51424132210
6212053200
743533600
oct16210040
97028780
103739680
11212474a
121304200
13a0c239
146d4c00
154dd0c0
hex391020

3739680 has 216 divisors, whose sum is σ = 15125292. Its totient is φ = 838656.

The previous prime is 3739669. The next prime is 3739699. The reversal of 3739680 is 869373.

It can be written as a sum of positive squares in 2 ways, for example, as 3732624 + 7056 = 1932^2 + 84^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 70534 + ... + 70586.

Almost surely, 23739680 is an apocalyptic number.

3739680 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 3739680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7562646).

3739680 is an abundant number, since it is smaller than the sum of its proper divisors (11385612).

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

3739680 is a wasteful number, since it uses less digits than its factorization.

3739680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 3739680 is about 1933.8252247812. The cubic root of 3739680 is about 155.2189759630.

The spelling of 3739680 in words is "three million, seven hundred thirty-nine thousand, six hundred eighty".