Search a number
-
+
1241311828 = 22310327957
BaseRepresentation
bin100100111111100…
…1110101001010100
310012111202011201011
41021333032221110
510020233434303
6323101342004
742521655631
oct11177165124
93174664634
101241311828
11587762a49
122a7867904
1316a22a153
14bac05188
1573e9b16d
hex49fcea54

1241311828 has 6 divisors (see below), whose sum is σ = 2172295706. Its totient is φ = 620655912.

The previous prime is 1241311823. The next prime is 1241311847. The reversal of 1241311828 is 8281131421.

It can be written as a sum of positive squares in only one way, i.e., 919181124 + 322130704 = 30318^2 + 17948^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1241311828.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241311823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155163975 + ... + 155163982.

Almost surely, 21241311828 is an apocalyptic number.

It is an amenable number.

1241311828 is a deficient number, since it is larger than the sum of its proper divisors (930983878).

1241311828 is a wasteful number, since it uses less digits than its factorization.

1241311828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310327961 (or 310327959 counting only the distinct ones).

The product of its digits is 3072, while the sum is 31.

The square root of 1241311828 is about 35232.2555054314. The cubic root of 1241311828 is about 1074.7157937709.

The spelling of 1241311828 in words is "one billion, two hundred forty-one million, three hundred eleven thousand, eight hundred twenty-eight".

Divisors: 1 2 4 310327957 620655914 1241311828