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2129533 = 71092791
BaseRepresentation
bin1000000111111001111101
311000012011121
420013321331
51021121113
6113350541
724046360
oct10077175
94005147
102129533
111224a4a
12868451
135973a3
143d60d7
152c0e8d
hex207e7d

2129533 has 8 divisors (see below), whose sum is σ = 2456960. Its totient is φ = 1807920.

The previous prime is 2129527. The next prime is 2129537. The reversal of 2129533 is 3359212.

It is a happy number.

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 2129533 - 213 = 2121341 is a prime.

It is a d-powerful number, because it can be written as 211 + 1 + 219 + 94 + 53 + 37 + 313 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2129498 and 2129507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2129537) 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 7 ways as a sum of consecutive naturals, for example, 633 + ... + 2158.

It is an arithmetic number, because the mean of its divisors is an integer number (307120).

22129533 is an apocalyptic number.

It is an amenable number.

2129533 is a deficient number, since it is larger than the sum of its proper divisors (327427).

2129533 is a wasteful number, since it uses less digits than its factorization.

2129533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2907.

The product of its digits is 1620, while the sum is 25.

The square root of 2129533 is about 1459.2919515984. The cubic root of 2129533 is about 128.6554312304.

It can be divided in two parts, 2129 and 533, that added together give a palindrome (2662).

The spelling of 2129533 in words is "two million, one hundred twenty-nine thousand, five hundred thirty-three".

Divisors: 1 7 109 763 2791 19537 304219 2129533