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2077641 = 32230849
BaseRepresentation
bin111111011001111001001
310220112222200
413323033021
51012441031
6112310413
723442156
oct7731711
93815880
102077641
111199a65
12842409
13579897
143c122d
152b08e6
hex1fb3c9

2077641 has 6 divisors (see below), whose sum is σ = 3001050. Its totient is φ = 1385088.

The previous prime is 2077639. The next prime is 2077667. The reversal of 2077641 is 1467702.

It can be written as a sum of positive squares in only one way, i.e., 1742400 + 335241 = 1320^2 + 579^2 .

It is not a de Polignac number, because 2077641 - 21 = 2077639 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2077601) 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, 115416 + ... + 115433.

It is an arithmetic number, because the mean of its divisors is an integer number (500175).

22077641 is an apocalyptic number.

It is an amenable number.

2077641 is a deficient number, since it is larger than the sum of its proper divisors (923409).

2077641 is a wasteful number, since it uses less digits than its factorization.

2077641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230855 (or 230852 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 2077641 is about 1441.4024420681. The cubic root of 2077641 is about 127.6018102618.

The spelling of 2077641 in words is "two million, seventy-seven thousand, six hundred forty-one".

Divisors: 1 3 9 230849 692547 2077641