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3147092 = 221360521
BaseRepresentation
bin1100000000010101010100
312220212222222
430000111110
51301201332
6151241512
735515124
oct14002524
95825888
103147092
11185a503
121079298
138625b0
145bcc84
15422712
hex300554

3147092 has 12 divisors (see below), whose sum is σ = 5931156. Its totient is φ = 1452480.

The previous prime is 3147083. The next prime is 3147097. The reversal of 3147092 is 2907413.

It can be written as a sum of positive squares in 2 ways, for example, as 470596 + 2676496 = 686^2 + 1636^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3147097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30209 + ... + 30312.

It is an arithmetic number, because the mean of its divisors is an integer number (494263).

Almost surely, 23147092 is an apocalyptic number.

It is an amenable number.

3147092 is a deficient number, since it is larger than the sum of its proper divisors (2784064).

3147092 is a wasteful number, since it uses less digits than its factorization.

3147092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60538 (or 60536 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 3147092 is about 1774.0045095771. The cubic root of 3147092 is about 146.5445976970.

The spelling of 3147092 in words is "three million, one hundred forty-seven thousand, ninety-two".

Divisors: 1 2 4 13 26 52 60521 121042 242084 786773 1573546 3147092