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2728435 = 51912857
BaseRepresentation
bin1010011010000111110011
312010121201011
422122013303
51144302220
6134251351
732122423
oct12320763
95117634
102728435
1115a3a06
12ab6b57
13746b78
14510483
1538d65a
hex29a1f3

2728435 has 8 divisors (see below), whose sum is σ = 3292416. Its totient is φ = 2170560.

The previous prime is 2728409. The next prime is 2728447. The reversal of 2728435 is 5348272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2728435 - 211 = 2726387 is a prime.

It is a d-powerful number, because it can be written as 216 + 75 + 220 + 82 + 4 + 313 + 55 .

It is a Duffinian number.

2728435 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2728397 and 2728406.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474 + ... + 2383.

It is an arithmetic number, because the mean of its divisors is an integer number (411552).

22728435 is an apocalyptic number.

2728435 is a deficient number, since it is larger than the sum of its proper divisors (563981).

2728435 is a wasteful number, since it uses less digits than its factorization.

2728435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3053.

The product of its digits is 13440, while the sum is 31.

The square root of 2728435 is about 1651.7975057494. The cubic root of 2728435 is about 139.7347870191.

The spelling of 2728435 in words is "two million, seven hundred twenty-eight thousand, four hundred thirty-five".

Divisors: 1 5 191 955 2857 14285 545687 2728435