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2728270 = 251092503
BaseRepresentation
bin1010011010000101001110
312010121111001
422122011032
51144301040
6134250514
732122066
oct12320516
95117431
102728270
1115a3876
12ab6a3a
13746a7c
145103a6
1538d59a
hex29a14e

2728270 has 16 divisors (see below), whose sum is σ = 4957920. Its totient is φ = 1080864.

The previous prime is 2728261. The next prime is 2728277. The reversal of 2728270 is 728272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2728277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162 + ... + 2341.

It is an arithmetic number, because the mean of its divisors is an integer number (309870).

22728270 is an apocalyptic number.

2728270 is a deficient number, since it is larger than the sum of its proper divisors (2229650).

2728270 is a wasteful number, since it uses less digits than its factorization.

2728270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2619.

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 2728270 is about 1651.7475594049. The cubic root of 2728270 is about 139.7319701779.

The spelling of 2728270 in words is "two million, seven hundred twenty-eight thousand, two hundred seventy".

Divisors: 1 2 5 10 109 218 545 1090 2503 5006 12515 25030 272827 545654 1364135 2728270