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2120741 = 72931337
BaseRepresentation
bin1000000101110000100101
310222202002222
420011300211
51020330431
6113242125
724011630
oct10056045
93882088
102120741
111219387
12863345
1359339c
143d2c17
152bd57b
hex205c25

2120741 has 16 divisors (see below), whose sum is σ = 2595840. Its totient is φ = 1693440.

The previous prime is 2120731. The next prime is 2120747. The reversal of 2120741 is 1470212.

It is not a de Polignac number, because 2120741 - 210 = 2119717 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6125 + ... + 6461.

It is an arithmetic number, because the mean of its divisors is an integer number (162240).

22120741 is an apocalyptic number.

It is an amenable number.

2120741 is a deficient number, since it is larger than the sum of its proper divisors (475099).

2120741 is a wasteful number, since it uses less digits than its factorization.

2120741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 2120741 is about 1456.2764160694. The cubic root of 2120741 is about 128.4781311985.

Adding to 2120741 its reverse (1470212), we get a palindrome (3590953).

The spelling of 2120741 in words is "two million, one hundred twenty thousand, seven hundred forty-one".

Divisors: 1 7 29 31 203 217 337 899 2359 6293 9773 10447 68411 73129 302963 2120741