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2928133 = 13225241
BaseRepresentation
bin1011001010111000000101
312111202122101
423022320011
51222200013
6142432101
733613555
oct13127005
95452571
102928133
11171aa4a
12b92631
137b6a30
14563165
153cc8dd
hex2cae05

2928133 has 4 divisors (see below), whose sum is σ = 3153388. Its totient is φ = 2702880.

The previous prime is 2928119. The next prime is 2928137. The reversal of 2928133 is 3318292.

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

It can be written as a sum of positive squares in 2 ways, for example, as 669124 + 2259009 = 818^2 + 1503^2 .

It is a cyclic number.

It is not a de Polignac number, because 2928133 - 213 = 2919941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2928137) 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, 112608 + ... + 112633.

It is an arithmetic number, because the mean of its divisors is an integer number (788347).

22928133 is an apocalyptic number.

It is an amenable number.

2928133 is a deficient number, since it is larger than the sum of its proper divisors (225255).

2928133 is a wasteful number, since it uses less digits than its factorization.

2928133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225254.

The product of its digits is 2592, while the sum is 28.

The square root of 2928133 is about 1711.1788334362. The cubic root of 2928133 is about 143.0639679905.

The spelling of 2928133 in words is "two million, nine hundred twenty-eight thousand, one hundred thirty-three".

Divisors: 1 13 225241 2928133