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3880898 = 2721992
BaseRepresentation
bin1110110011011111000010
321022011120222
432303133002
51443142043
6215103042
744662400
oct16633702
97264528
103880898
11221085a
121371a82
13a5b5b8
14730470
15519d68
hex3b37c2

3880898 has 18 divisors (see below), whose sum is σ = 6805971. Its totient is φ = 1654884.

The previous prime is 3880897. The next prime is 3880901. The reversal of 3880898 is 8980883.

It can be written as a sum of positive squares in only one way, i.e., 1940449 + 1940449 = 1393^2 + 1393^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=1393.

It is a super-2 number, since 2×38808982 = 30122738572808, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3880897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 19403 + ... + 19601.

Almost surely, 23880898 is an apocalyptic number.

3880898 is a deficient number, since it is larger than the sum of its proper divisors (2925073).

3880898 is an equidigital number, since it uses as much as digits as its factorization.

3880898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 44.

The square root of 3880898 is about 1969.9994923857. Note that the first 3 decimals coincide. The cubic root of 3880898 is about 157.1486819565.

The spelling of 3880898 in words is "three million, eight hundred eighty thousand, eight hundred ninety-eight".

Divisors: 1 2 7 14 49 98 199 398 1393 2786 9751 19502 39601 79202 277207 554414 1940449 3880898