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2788012 = 225313151
BaseRepresentation
bin1010101000101010101100
312020122102201
422220222230
51203204022
6135431244
732461213
oct12505254
95218381
102788012
111634747
12b25524
13768016
1452807a
153a1127
hex2a8aac

2788012 has 12 divisors (see below), whose sum is σ = 4971456. Its totient is φ = 1367600.

The previous prime is 2788007. The next prime is 2788021. The reversal of 2788012 is 2108872.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6364 + ... + 6787.

It is an arithmetic number, because the mean of its divisors is an integer number (414288).

22788012 is an apocalyptic number.

It is an amenable number.

2788012 is a deficient number, since it is larger than the sum of its proper divisors (2183444).

2788012 is a wasteful number, since it uses less digits than its factorization.

2788012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13208 (or 13206 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 2788012 is about 1669.7341105697. The cubic root of 2788012 is about 140.7445368457.

The spelling of 2788012 in words is "two million, seven hundred eighty-eight thousand, twelve".

Divisors: 1 2 4 53 106 212 13151 26302 52604 697003 1394006 2788012