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2379661 = 10123561
BaseRepresentation
bin1001000100111110001101
311110220021121
421010332031
51102122121
6123000541
726140534
oct11047615
94426247
102379661
111385969
12969151
136541ab
1445d31b
15320141
hex244f8d

2379661 has 4 divisors (see below), whose sum is σ = 2403324. Its totient is φ = 2356000.

The previous prime is 2379659. The next prime is 2379673. The reversal of 2379661 is 1669732.

2379661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1512900 + 866761 = 1230^2 + 931^2 .

It is a cyclic number.

It is not a de Polignac number, because 2379661 - 21 = 2379659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2379631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11680 + ... + 11881.

It is an arithmetic number, because the mean of its divisors is an integer number (600831).

22379661 is an apocalyptic number.

It is an amenable number.

2379661 is a deficient number, since it is larger than the sum of its proper divisors (23663).

2379661 is a wasteful number, since it uses less digits than its factorization.

2379661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23662.

The product of its digits is 13608, while the sum is 34.

The square root of 2379661 is about 1542.6149876103. The cubic root of 2379661 is about 133.5073055427.

The spelling of 2379661 in words is "two million, three hundred seventy-nine thousand, six hundred sixty-one".

Divisors: 1 101 23561 2379661