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2120701 = 11192791
BaseRepresentation
bin1000000101101111111101
310222202001111
420011233331
51020330301
6113242021
724011542
oct10055775
93882044
102120701
111219350
12863311
1359336b
143d2bc9
152bd551
hex205bfd

2120701 has 4 divisors (see below), whose sum is σ = 2313504. Its totient is φ = 1927900.

The previous prime is 2120693. The next prime is 2120731. The reversal of 2120701 is 1070212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2120701 - 23 = 2120693 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96385 + ... + 96406.

It is an arithmetic number, because the mean of its divisors is an integer number (578376).

22120701 is an apocalyptic number.

It is an amenable number.

2120701 is a deficient number, since it is larger than the sum of its proper divisors (192803).

2120701 is a wasteful number, since it uses less digits than its factorization.

2120701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192802.

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 2120701 is about 1456.2626823482. The cubic root of 2120701 is about 128.4773234372.

Adding to 2120701 its reverse (1070212), we get a palindrome (3190913).

The spelling of 2120701 in words is "two million, one hundred twenty thousand, seven hundred one".

Divisors: 1 11 192791 2120701