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3997962 = 232222109
BaseRepresentation
bin1111010000000100001010
321112010011200
433100010022
52010413322
6221405030
745660603
oct17200412
97463150
103997962
112290801
121409776
13a9c977
14760daa
1553e8ac
hex3d010a

3997962 has 12 divisors (see below), whose sum is σ = 8662290. Its totient is φ = 1332648.

The previous prime is 3997933. The next prime is 3997963. The reversal of 3997962 is 2697993.

It can be written as a sum of positive squares in only one way, i.e., 3059001 + 938961 = 1749^2 + 969^2 .

It is not an unprimeable number, because it can be changed into a prime (3997963) 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, 111037 + ... + 111072.

Almost surely, 23997962 is an apocalyptic number.

3997962 is an abundant number, since it is smaller than the sum of its proper divisors (4664328).

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

3997962 is a wasteful number, since it uses less digits than its factorization.

3997962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222117 (or 222114 counting only the distinct ones).

The product of its digits is 183708, while the sum is 45.

The square root of 3997962 is about 1999.4904350859. The cubic root of 3997962 is about 158.7131412557.

The spelling of 3997962 in words is "three million, nine hundred ninety-seven thousand, nine hundred sixty-two".

Divisors: 1 2 3 6 9 18 222109 444218 666327 1332654 1998981 3997962