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1020146241 = 3340048747
BaseRepresentation
bin111100110011100…
…011001001000001
32122002120210120010
4330303203021001
54042124134431
6245121135133
734165046202
oct7463431101
92562523503
101020146241
11483933a74
1224578a4a9
1313347203a
14996b35a9
155e860846
hex3cce3241

1020146241 has 4 divisors (see below), whose sum is σ = 1360194992. Its totient is φ = 680097492.

The previous prime is 1020146219. The next prime is 1020146261. The reversal of 1020146241 is 1426410201.

It is a happy number.

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: 1426410201 = 3475470067.

It is not a de Polignac number, because 1020146241 - 26 = 1020146177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1020146201) 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, 170024371 + ... + 170024376.

It is an arithmetic number, because the mean of its divisors is an integer number (340048748).

Almost surely, 21020146241 is an apocalyptic number.

It is an amenable number.

1020146241 is a deficient number, since it is larger than the sum of its proper divisors (340048751).

1020146241 is an equidigital number, since it uses as much as digits as its factorization.

1020146241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340048750.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1020146241 is about 31939.7282549492. The cubic root of 1020146241 is about 1006.6708149447.

Adding to 1020146241 its reverse (1426410201), we get a palindrome (2446556442).

The spelling of 1020146241 in words is "one billion, twenty million, one hundred forty-six thousand, two hundred forty-one".

Divisors: 1 3 340048747 1020146241