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2771148 = 223230929
BaseRepresentation
bin1010100100100011001100
312012210022010
422210203030
51202134043
6135221220
732361102
oct12444314
95183263
102771148
111623006
12b17810
13760443
14521c72
1539b133
hex2a48cc

2771148 has 12 divisors (see below), whose sum is σ = 6466040. Its totient is φ = 923712.

The previous prime is 2771147. The next prime is 2771159. The reversal of 2771148 is 8411772.

2771148 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×27711482 = 15358522475808, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2771141) 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, 115453 + ... + 115476.

22771148 is an apocalyptic number.

It is an amenable number.

2771148 is an abundant number, since it is smaller than the sum of its proper divisors (3694892).

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

2771148 is a wasteful number, since it uses less digits than its factorization.

2771148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230936 (or 230934 counting only the distinct ones).

The product of its digits is 3136, while the sum is 30.

The square root of 2771148 is about 1664.6765451582. The cubic root of 2771148 is about 140.4601863694.

It can be divided in two parts, 27 and 71148, that multiplied together give a square (1920996 = 13862).

The spelling of 2771148 in words is "two million, seven hundred seventy-one thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 12 230929 461858 692787 923716 1385574 2771148