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3980061 = 32442229
BaseRepresentation
bin1111001011101100011101
321111012121200
433023230131
52004330221
6221150113
745554451
oct17135435
97435550
103980061
112279308
1213bb339
13a94787
14758661
15539426
hex3cbb1d

3980061 has 6 divisors (see below), whose sum is σ = 5748990. Its totient is φ = 2653368.

The previous prime is 3980051. The next prime is 3980069. The reversal of 3980061 is 1600893.

It can be written as a sum of positive squares in only one way, i.e., 3980025 + 36 = 1995^2 + 6^2 .

It is a de Polignac number, because none of the positive numbers 2k-3980061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3980069) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 221106 + ... + 221123.

It is an arithmetic number, because the mean of its divisors is an integer number (958165).

Almost surely, 23980061 is an apocalyptic number.

It is an amenable number.

3980061 is a deficient number, since it is larger than the sum of its proper divisors (1768929).

3980061 is a wasteful number, since it uses less digits than its factorization.

3980061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442235 (or 442232 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 3980061 is about 1995.0090225360. The cubic root of 3980061 is about 158.4759058069.

The spelling of 3980061 in words is "three million, nine hundred eighty thousand, sixty-one".

Divisors: 1 3 9 442229 1326687 3980061