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1137149 = 1387473
BaseRepresentation
bin100010101100111111101
32010202212122
410111213331
5242342044
640212325
712444206
oct4254775
92122778
101137149
117073a2
1246a0a5
1330a790
142185ad
15176dee
hex1159fd

1137149 has 4 divisors (see below), whose sum is σ = 1224636. Its totient is φ = 1049664.

The previous prime is 1137139. The next prime is 1137161. The reversal of 1137149 is 9417311.

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

It can be written as a sum of positive squares in 2 ways, for example, as 611524 + 525625 = 782^2 + 725^2 .

It is a cyclic number.

It is not a de Polignac number, because 1137149 - 212 = 1133053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1137109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43724 + ... + 43749.

It is an arithmetic number, because the mean of its divisors is an integer number (306159).

21137149 is an apocalyptic number.

It is an amenable number.

1137149 is a deficient number, since it is larger than the sum of its proper divisors (87487).

1137149 is an equidigital number, since it uses as much as digits as its factorization.

1137149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87486.

The product of its digits is 756, while the sum is 26.

The square root of 1137149 is about 1066.3718863511. The cubic root of 1137149 is about 104.3772357799.

The spelling of 1137149 in words is "one million, one hundred thirty-seven thousand, one hundred forty-nine".

Divisors: 1 13 87473 1137149