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5100401 = 27718413
BaseRepresentation
bin10011011101001101110001
3100121010102202
4103131031301
52301203101
6301152545
761231655
oct23351561
910533382
105100401
112974009
12185b755
1310976b7
1496aa65
156ab36b
hex4dd371

5100401 has 4 divisors (see below), whose sum is σ = 5119092. Its totient is φ = 5081712.

The previous prime is 5100397. The next prime is 5100409. The reversal of 5100401 is 1040015.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1040015 = 5208003.

It can be written as a sum of positive squares in 2 ways, for example, as 1100401 + 4000000 = 1049^2 + 2000^2 .

It is a cyclic number.

It is not a de Polignac number, because 5100401 - 22 = 5100397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5100409) 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, 8930 + ... + 9483.

It is an arithmetic number, because the mean of its divisors is an integer number (1279773).

Almost surely, 25100401 is an apocalyptic number.

It is an amenable number.

5100401 is a deficient number, since it is larger than the sum of its proper divisors (18691).

5100401 is a wasteful number, since it uses less digits than its factorization.

5100401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18690.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 5100401 is about 2258.4067392744. The cubic root of 5100401 is about 172.1345733371.

Adding to 5100401 its reverse (1040015), we get a palindrome (6140416).

The spelling of 5100401 in words is "five million, one hundred thousand, four hundred one".

Divisors: 1 277 18413 5100401