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10318157 = 67715241
BaseRepresentation
bin100111010111…
…000101001101
3201102012211222
4213113011031
510120140112
61005053125
7153463043
oct47270515
921365758
1010318157
115908203
1235571a5
1321a3625
141528393
15d8c372
hex9d714d

10318157 has 4 divisors (see below), whose sum is σ = 10334076. Its totient is φ = 10302240.

The previous prime is 10318141. The next prime is 10318163. The reversal of 10318157 is 75181301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75181301 = 135783177.

It can be written as a sum of positive squares in 2 ways, for example, as 9554281 + 763876 = 3091^2 + 874^2 .

It is a cyclic number.

It is not a de Polignac number, because 10318157 - 24 = 10318141 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 (10318057) 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, 6944 + ... + 8297.

It is an arithmetic number, because the mean of its divisors is an integer number (2583519).

Almost surely, 210318157 is an apocalyptic number.

It is an amenable number.

10318157 is a deficient number, since it is larger than the sum of its proper divisors (15919).

10318157 is an equidigital number, since it uses as much as digits as its factorization.

10318157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15918.

The product of its (nonzero) digits is 840, while the sum is 26.

The square root of 10318157 is about 3212.1888176133. The cubic root of 10318157 is about 217.7044855426.

Adding to 10318157 its reverse (75181301), we get a palindrome (85499458).

The spelling of 10318157 in words is "ten million, three hundred eighteen thousand, one hundred fifty-seven".

Divisors: 1 677 15241 10318157