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10312318 = 25156159
BaseRepresentation
bin100111010101…
…101001111110
3201101220211201
4213111221332
510114443233
61005010114
7153440032
oct47255176
921356751
1010312318
115903885
12355393a
1321a0a83
1415261c2
15d8a77d
hex9d5a7e

10312318 has 4 divisors (see below), whose sum is σ = 15468480. Its totient is φ = 5156158.

The previous prime is 10312301. The next prime is 10312343. The reversal of 10312318 is 81321301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81321301 = 372197873.

It is a junction number, because it is equal to n+sod(n) for n = 10312295 and 10312304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2578078 + ... + 2578081.

It is an arithmetic number, because the mean of its divisors is an integer number (3867120).

Almost surely, 210312318 is an apocalyptic number.

10312318 is a deficient number, since it is larger than the sum of its proper divisors (5156162).

10312318 is an equidigital number, since it uses as much as digits as its factorization.

10312318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5156161.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 10312318 is about 3211.2798071797. The cubic root of 10312318 is about 217.6634117878.

Adding to 10312318 its reverse (81321301), we get a palindrome (91633619).

It can be divided in two parts, 103 and 12318, that added together give a palindrome (12421).

The spelling of 10312318 in words is "ten million, three hundred twelve thousand, three hundred eighteen".

Divisors: 1 2 5156159 10312318