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1553004041 = 7919658279
BaseRepresentation
bin101110010010000…
…1111011000001001
311000020020210001012
41130210033120021
511140032112131
6414034133305
753325213401
oct13444173011
94006223035
101553004041
117276a2a16
12374121235
131b998cb04
1410a37d801
159151952b
hex5c90f609

1553004041 has 4 divisors (see below), whose sum is σ = 1572662400. Its totient is φ = 1533345684.

The previous prime is 1553004023. The next prime is 1553004107. The reversal of 1553004041 is 1404003551.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1404003551 = 7019200029.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1553004041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1553003998 and 1553004016.

It is not an unprimeable number, because it can be changed into a prime (1553001041) 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, 9829061 + ... + 9829218.

It is an arithmetic number, because the mean of its divisors is an integer number (393165600).

Almost surely, 21553004041 is an apocalyptic number.

It is an amenable number.

1553004041 is a deficient number, since it is larger than the sum of its proper divisors (19658359).

1553004041 is an equidigital number, since it uses as much as digits as its factorization.

1553004041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19658358.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1553004041 is about 39408.1722616008. The cubic root of 1553004041 is about 1158.0416921362.

Adding to 1553004041 its reverse (1404003551), we get a palindrome (2957007592).

The spelling of 1553004041 in words is "one billion, five hundred fifty-three million, four thousand, forty-one".

Divisors: 1 79 19658279 1553004041