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103421323 = 280136923
BaseRepresentation
bin1100010101000…
…01010110001011
321012121100101101
412022201112023
5202433440243
614132402231
72364031615
oct612412613
9235540341
10103421323
1153418a75
122a776377
1318570b65
14da41db5
15912d54d
hex62a158b

103421323 has 4 divisors (see below), whose sum is σ = 103461048. Its totient is φ = 103381600.

The previous prime is 103421309. The next prime is 103421333. The reversal of 103421323 is 323124301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323124301 = 2571257293.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-103421323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103421323.

It is not an unprimeable number, because it can be changed into a prime (103421333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15661 + ... + 21262.

It is an arithmetic number, because the mean of its divisors is an integer number (25865262).

Almost surely, 2103421323 is an apocalyptic number.

103421323 is a deficient number, since it is larger than the sum of its proper divisors (39725).

103421323 is an equidigital number, since it uses as much as digits as its factorization.

103421323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39724.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 103421323 is about 10169.6274759698. The cubic root of 103421323 is about 469.3930947225.

Adding to 103421323 its reverse (323124301), we get a palindrome (426545624).

The spelling of 103421323 in words is "one hundred three million, four hundred twenty-one thousand, three hundred twenty-three".

Divisors: 1 2801 36923 103421323