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2906137 = 13223549
BaseRepresentation
bin1011000101100000011001
312110122110201
423011200121
51220444022
6142142201
733462463
oct13054031
95418421
102906137
111705473
12b81961
137a9a10
14559133
153c6127
hex2c5819

2906137 has 4 divisors (see below), whose sum is σ = 3129700. Its totient is φ = 2682576.

The previous prime is 2906131. The next prime is 2906143. The reversal of 2906137 is 7316092.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2906131) and next prime (2906143).

It can be written as a sum of positive squares in 2 ways, for example, as 203401 + 2702736 = 451^2 + 1644^2 .

It is not a de Polignac number, because 2906137 - 23 = 2906129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2906131) 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, 111762 + ... + 111787.

It is an arithmetic number, because the mean of its divisors is an integer number (782425).

22906137 is an apocalyptic number.

It is an amenable number.

2906137 is a deficient number, since it is larger than the sum of its proper divisors (223563).

2906137 is a wasteful number, since it uses less digits than its factorization.

2906137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223562.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 2906137 is about 1704.7395695531. The cubic root of 2906137 is about 142.7048372501.

The spelling of 2906137 in words is "two million, nine hundred six thousand, one hundred thirty-seven".

Divisors: 1 13 223549 2906137