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3848961601 = 5372621917
BaseRepresentation
bin1110010101101010…
…0111111001000001
3100221020111111201101
43211122213321001
530340313232401
61433532334401
7164244430252
oct34532477101
910836444641
103848961601
1116a5702901
128b5014401
1349454ac94
14287278b29
15177d8d101
hexe56a7e41

3848961601 has 4 divisors (see below), whose sum is σ = 3921583572. Its totient is φ = 3776339632.

The previous prime is 3848961559. The next prime is 3848961637. The reversal of 3848961601 is 1061698483.

It is a Cunningham number, because it is equal to 620402+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1061698483 = 5099208217.

It can be written as a sum of positive squares in 2 ways, for example, as 2774760976 + 1074200625 = 52676^2 + 32775^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3848961601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3848961661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36310906 + ... + 36311011.

It is an arithmetic number, because the mean of its divisors is an integer number (980395893).

Almost surely, 23848961601 is an apocalyptic number.

It is an amenable number.

3848961601 is a deficient number, since it is larger than the sum of its proper divisors (72621971).

3848961601 is an equidigital number, since it uses as much as digits as its factorization.

3848961601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72621970.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 3848961601 is about 62040.0000080593. Note that the first 5 decimals coincide. The cubic root of 3848961601 is about 1567.1642865047.

The spelling of 3848961601 in words is "three billion, eight hundred forty-eight million, nine hundred sixty-one thousand, six hundred one".

Divisors: 1 53 72621917 3848961601