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10040101 = 31332077
BaseRepresentation
bin100110010011…
…001100100101
3200220002102121
4212103030211
510032240401
6555105541
7151224301
oct46231445
920802377
1010040101
115738305
1234422b1
132106bb6
141494d01
15d34ca1
hex993325

10040101 has 4 divisors (see below), whose sum is σ = 10072492. Its totient is φ = 10007712.

The previous prime is 10040087. The next prime is 10040111. The reversal of 10040101 is 10104001.

It is a happy number.

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 5085025 + 4955076 = 2255^2 + 2226^2 .

It is a cyclic number.

It is not a de Polignac number, because 10040101 - 27 = 10039973 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 (10040111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15726 + ... + 16351.

It is an arithmetic number, because the mean of its divisors is an integer number (2518123).

Almost surely, 210040101 is an apocalyptic number.

It is an amenable number.

10040101 is a deficient number, since it is larger than the sum of its proper divisors (32391).

10040101 is an equidigital number, since it uses as much as digits as its factorization.

10040101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32390.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 10040101 is about 3168.6118411696. The cubic root of 10040101 is about 215.7310681963.

Adding to 10040101 its reverse (10104001), we get a palindrome (20144102).

The spelling of 10040101 in words is "ten million, forty thousand, one hundred one".

Divisors: 1 313 32077 10040101