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2120077 = 19241463
BaseRepresentation
bin1000000101100110001101
310222201012101
420011212031
51020320302
6113235101
724006661
oct10054615
93881171
102120077
111218933
12862a91
13592cab
143d28a1
152bd287
hex20598d

2120077 has 8 divisors (see below), whose sum is σ = 2245760. Its totient is φ = 1995840.

The previous prime is 2120057. The next prime is 2120093. The reversal of 2120077 is 7700212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2120077 - 211 = 2118029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

2120077 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4348 + ... + 4810.

It is an arithmetic number, because the mean of its divisors is an integer number (280720).

22120077 is an apocalyptic number.

It is an amenable number.

2120077 is a deficient number, since it is larger than the sum of its proper divisors (125683).

2120077 is a wasteful number, since it uses less digits than its factorization.

2120077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723.

The product of its (nonzero) digits is 196, while the sum is 19.

The square root of 2120077 is about 1456.0484195246. The cubic root of 2120077 is about 128.4647210455.

Adding to 2120077 its reverse (7700212), we get a palindrome (9820289).

The spelling of 2120077 in words is "two million, one hundred twenty thousand, seventy-seven".

Divisors: 1 19 241 463 4579 8797 111583 2120077