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3998014180 = 225199900709
BaseRepresentation
bin1110111001001100…
…1101101011100100
3101022121222011102021
43232103031223210
531141442423210
61500415152524
7201034363006
oct35623155344
911277864367
103998014180
111771858256
12936b15744
134b93a7884
1429cd98376
15185ed1bda
hexee4cdae4

3998014180 has 12 divisors (see below), whose sum is σ = 8395829820. Its totient is φ = 1599205664.

The previous prime is 3998014159. The next prime is 3998014187. The reversal of 3998014180 is 814108993.

It can be written as a sum of positive squares in 2 ways, for example, as 1138117696 + 2859896484 = 33736^2 + 53478^2 .

It is not an unprimeable number, because it can be changed into a prime (3998014187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99950335 + ... + 99950374.

It is an arithmetic number, because the mean of its divisors is an integer number (699652485).

Almost surely, 23998014180 is an apocalyptic number.

It is an amenable number.

3998014180 is an abundant number, since it is smaller than the sum of its proper divisors (4397815640).

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

3998014180 is a wasteful number, since it uses less digits than its factorization.

3998014180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199900718 (or 199900716 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 3998014180 is about 63229.8519688288. The cubic root of 3998014180 is about 1587.1383174217.

The spelling of 3998014180 in words is "three billion, nine hundred ninety-eight million, fourteen thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 199900709 399801418 799602836 999503545 1999007090 3998014180