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1520422041 = 3506807347
BaseRepresentation
bin101101010011111…
…1100110010011001
310220221221102221110
41122213330302121
511103212001131
6410511530533
752451242215
oct13247746231
93827842843
101520422041
11710269646
12365229a49
131b2cc2818
14105cdb945
158d730646
hex5a9fcc99

1520422041 has 4 divisors (see below), whose sum is σ = 2027229392. Its totient is φ = 1013614692.

The previous prime is 1520422031. The next prime is 1520422051. The reversal of 1520422041 is 1402240251.

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: 1402240251 = 3467413417.

It is an interprime number because it is at equal distance from previous prime (1520422031) and next prime (1520422051).

It is not a de Polignac number, because 1520422041 - 213 = 1520413849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1520421999 and 1520422017.

It is not an unprimeable number, because it can be changed into a prime (1520422031) 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, 253403671 + ... + 253403676.

It is an arithmetic number, because the mean of its divisors is an integer number (506807348).

Almost surely, 21520422041 is an apocalyptic number.

It is an amenable number.

1520422041 is a deficient number, since it is larger than the sum of its proper divisors (506807351).

1520422041 is an equidigital number, since it uses as much as digits as its factorization.

1520422041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506807350.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 1520422041 is about 38992.5895651982. The cubic root of 1520422041 is about 1149.8858213043.

Adding to 1520422041 its reverse (1402240251), we get a palindrome (2922662292).

The spelling of 1520422041 in words is "one billion, five hundred twenty million, four hundred twenty-two thousand, forty-one".

Divisors: 1 3 506807347 1520422041