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2928834 = 232162713
BaseRepresentation
bin1011001011000011000010
312111210121100
423023003002
51222210314
6142435230
733615606
oct13130302
95453540
102928834
111720527
12b92b16
137b714c
14563506
153ccc09
hex2cb0c2

2928834 has 12 divisors (see below), whose sum is σ = 6345846. Its totient is φ = 976272.

The previous prime is 2928829. The next prime is 2928839. The reversal of 2928834 is 4388292.

It is an interprime number because it is at equal distance from previous prime (2928829) and next prime (2928839).

It can be written as a sum of positive squares in only one way, i.e., 2712609 + 216225 = 1647^2 + 465^2 .

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2928839) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 81339 + ... + 81374.

22928834 is an apocalyptic number.

2928834 is an abundant number, since it is smaller than the sum of its proper divisors (3417012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2928834 is a wasteful number, since it uses less digits than its factorization.

2928834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162721 (or 162718 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 2928834 is about 1711.3836507341. The cubic root of 2928834 is about 143.0753836650.

The spelling of 2928834 in words is "two million, nine hundred twenty-eight thousand, eight hundred thirty-four".

Divisors: 1 2 3 6 9 18 162713 325426 488139 976278 1464417 2928834