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2124065 = 51724989
BaseRepresentation
bin1000000110100100100001
310222220200002
420012210201
51020432230
6113305345
724024416
oct10064441
93886602
102124065
111220929
12865255
13594a58
143d410d
152be545
hex206921

2124065 has 8 divisors (see below), whose sum is σ = 2698920. Its totient is φ = 1599232.

The previous prime is 2124049. The next prime is 2124127. The reversal of 2124065 is 5604212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1157776 + 966289 = 1076^2 + 983^2 .

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 2124065 - 24 = 2124049 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12410 + ... + 12579.

It is an arithmetic number, because the mean of its divisors is an integer number (337365).

22124065 is an apocalyptic number.

It is an amenable number.

2124065 is a deficient number, since it is larger than the sum of its proper divisors (574855).

2124065 is a wasteful number, since it uses less digits than its factorization.

2124065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25011.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2124065 is about 1457.4172360721. The cubic root of 2124065 is about 128.5452207017.

Adding to 2124065 its reverse (5604212), we get a palindrome (7728277).

The spelling of 2124065 in words is "two million, one hundred twenty-four thousand, sixty-five".

Divisors: 1 5 17 85 24989 124945 424813 2124065