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8030101 = 61131641
BaseRepresentation
bin11110101000011110010101
3120002222020011
4132220132111
54023430401
6444040221
7125153242
oct36503625
916088204
108030101
114595152
122833071
131882051
1410d05c9
15a89451
hex7a8795

8030101 has 4 divisors (see below), whose sum is σ = 8161804. Its totient is φ = 7898400.

The previous prime is 8030093. The next prime is 8030107. The reversal of 8030101 is 1010308.

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 1134225 + 6895876 = 1065^2 + 2626^2 .

It is a cyclic number.

It is not a de Polignac number, because 8030101 - 23 = 8030093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8030107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65760 + ... + 65881.

It is an arithmetic number, because the mean of its divisors is an integer number (2040451).

Almost surely, 28030101 is an apocalyptic number.

It is an amenable number.

8030101 is a deficient number, since it is larger than the sum of its proper divisors (131703).

8030101 is a wasteful number, since it uses less digits than its factorization.

8030101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131702.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 8030101 is about 2833.7432840679. The cubic root of 8030101 is about 200.2505277150.

Adding to 8030101 its reverse (1010308), we get a palindrome (9040409).

The spelling of 8030101 in words is "eight million, thirty thousand, one hundred one".

Divisors: 1 61 131641 8030101