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2130501 = 36171151
BaseRepresentation
bin1000001000001001000101
311000020111110
420020021011
51021134001
6113355233
724052242
oct10101105
94006443
102130501
11122574a
12868b19
13597969
143d65c9
152c13d6
hex208245

2130501 has 8 divisors (see below), whose sum is σ = 2847744. Its totient is φ = 1416800.

The previous prime is 2130493. The next prime is 2130503. The reversal of 2130501 is 1050312.

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 2130501 - 23 = 2130493 is a prime.

It is a super-2 number, since 2×21305012 = 9078069022002, which contains 22 as substring.

2130501 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130503) 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, 1276 + ... + 2426.

It is an arithmetic number, because the mean of its divisors is an integer number (355968).

22130501 is an apocalyptic number.

It is an amenable number.

2130501 is a deficient number, since it is larger than the sum of its proper divisors (717243).

2130501 is a wasteful number, since it uses less digits than its factorization.

2130501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 2130501 is about 1459.6235816127. The cubic root of 2130501 is about 128.6749221379.

Adding to 2130501 its reverse (1050312), we get a palindrome (3180813).

The spelling of 2130501 in words is "two million, one hundred thirty thousand, five hundred one".

Divisors: 1 3 617 1151 1851 3453 710167 2130501