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2125331 = 13163487
BaseRepresentation
bin1000000110111000010011
310222222101222
420012320103
51021002311
6113315255
724031205
oct10067023
93888358
102125331
11122187a
12865b2b
135954c0
143d4775
152beadb
hex206e13

2125331 has 4 divisors (see below), whose sum is σ = 2288832. Its totient is φ = 1961832.

The previous prime is 2125327. The next prime is 2125339. The reversal of 2125331 is 1335212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2125331 - 22 = 2125327 is a prime.

It is a super-2 number, since 2×21253312 = 9034063719122, which contains 22 as substring.

It is a d-powerful number, because it can be written as 25 + 1 + 219 + 53 + 38 + 313 + 1 .

It is not an unprimeable number, because it can be changed into a prime (2125339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81731 + ... + 81756.

It is an arithmetic number, because the mean of its divisors is an integer number (572208).

22125331 is an apocalyptic number.

2125331 is a deficient number, since it is larger than the sum of its proper divisors (163501).

2125331 is a wasteful number, since it uses less digits than its factorization.

2125331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163500.

The product of its digits is 180, while the sum is 17.

The square root of 2125331 is about 1457.8515013540. The cubic root of 2125331 is about 128.5707544350.

It can be divided in two parts, 21 and 25331, that added together give a palindrome (25352).

The spelling of 2125331 in words is "two million, one hundred twenty-five thousand, three hundred thirty-one".

Divisors: 1 13 163487 2125331