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4020305041 = 37108656893
BaseRepresentation
bin1110111110100000…
…1111110010010001
3101101011220122201201
43233220033302101
531213144230131
61502533031201
7201425012644
oct35750176221
911334818651
104020305041
1117833a2755
12942485501
134c0bb092c
142a1d1ba5b
15187e36761
hexefa0fc91

4020305041 has 4 divisors (see below), whose sum is σ = 4128961972. Its totient is φ = 3911648112.

The previous prime is 4020305039. The next prime is 4020305071. The reversal of 4020305041 is 1405030204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3885652225 + 134652816 = 62335^2 + 11604^2 .

It is a cyclic number.

It is not a de Polignac number, because 4020305041 - 21 = 4020305039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4020305011) 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, 54328410 + ... + 54328483.

It is an arithmetic number, because the mean of its divisors is an integer number (1032240493).

Almost surely, 24020305041 is an apocalyptic number.

It is an amenable number.

4020305041 is a deficient number, since it is larger than the sum of its proper divisors (108656931).

4020305041 is a wasteful number, since it uses less digits than its factorization.

4020305041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108656930.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 4020305041 is about 63405.8754454191. The cubic root of 4020305041 is about 1590.0825400501.

Adding to 4020305041 its reverse (1405030204), we get a palindrome (5425335245).

The spelling of 4020305041 in words is "four billion, twenty million, three hundred five thousand, forty-one".

Divisors: 1 37 108656893 4020305041