Search a number
-
+
1137425 = 5245497
BaseRepresentation
bin100010101101100010001
32010210020212
410111230101
5242344200
640213505
712445052
oct4255421
92123225
101137425
11707623
1246a295
1330a943
14218729
15177035
hex115b11

1137425 has 6 divisors (see below), whose sum is σ = 1410438. Its totient is φ = 909920.

The previous prime is 1137407. The next prime is 1137427. The reversal of 1137425 is 5247311.

It can be written as a sum of positive squares in 3 ways, for example, as 5329 + 1132096 = 73^2 + 1064^2 .

It is a de Polignac number, because none of the positive numbers 2k-1137425 is a prime.

It is a d-powerful number, because it can be written as 1 + 1 + 37 + 73 + 410 + 213 + 57 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1137425.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1137427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22724 + ... + 22773.

It is an arithmetic number, because the mean of its divisors is an integer number (235073).

21137425 is an apocalyptic number.

It is an amenable number.

1137425 is a deficient number, since it is larger than the sum of its proper divisors (273013).

1137425 is an equidigital number, since it uses as much as digits as its factorization.

1137425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45507 (or 45502 counting only the distinct ones).

The product of its digits is 840, while the sum is 23.

The square root of 1137425 is about 1066.5012892632. The cubic root of 1137425 is about 104.3856796416.

The spelling of 1137425 in words is "one million, one hundred thirty-seven thousand, four hundred twenty-five".

Divisors: 1 5 25 45497 227485 1137425