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1553507041 = 4993311137
BaseRepresentation
bin101110010011000…
…1010001011100001
311000021012100000211
41130212022023201
511140144211131
6414053014121
753332410022
oct13446121341
94007170024
101553507041
11727a06919
12374324341
131b9b07a48
1410a470c49
15915b85b1
hex5c98a2e1

1553507041 has 4 divisors (see below), whose sum is σ = 1553823172. Its totient is φ = 1553190912.

The previous prime is 1553507029. The next prime is 1553507047. The reversal of 1553507041 is 1407053551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1407053551 = 6983201497.

It can be written as a sum of positive squares in 2 ways, for example, as 581002816 + 972504225 = 24104^2 + 31185^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1553507041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1553506994 and 1553507012.

It is not an unprimeable number, because it can be changed into a prime (1553507047) 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, 150576 + ... + 160561.

It is an arithmetic number, because the mean of its divisors is an integer number (388455793).

Almost surely, 21553507041 is an apocalyptic number.

It is an amenable number.

1553507041 is a deficient number, since it is larger than the sum of its proper divisors (316131).

1553507041 is an equidigital number, since it uses as much as digits as its factorization.

1553507041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316130.

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 1553507041 is about 39414.5536699326. The cubic root of 1553507041 is about 1158.1667040656.

The spelling of 1553507041 in words is "one billion, five hundred fifty-three million, five hundred seven thousand, forty-one".

Divisors: 1 4993 311137 1553507041