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10303923 = 37490663
BaseRepresentation
bin100111010011…
…100110110011
3201101111022210
4213103212303
510114211143
61004503203
7153403410
oct47234663
921344283
1010303923
1158a8543
12354ab03
132199cc6
141523107
15d88033
hex9d39b3

10303923 has 8 divisors (see below), whose sum is σ = 15701248. Its totient is φ = 5887944.

The previous prime is 10303913. The next prime is 10303927. The reversal of 10303923 is 32930301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10303923 - 26 = 10303859 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 490663 = 10303923 / (1 + 0 + 3 + 0 + 3 + 9 + 2 + 3).

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 10303923.

It is not an unprimeable number, because it can be changed into a prime (10303927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245311 + ... + 245352.

It is an arithmetic number, because the mean of its divisors is an integer number (1962656).

Almost surely, 210303923 is an apocalyptic number.

10303923 is a deficient number, since it is larger than the sum of its proper divisors (5397325).

10303923 is an equidigital number, since it uses as much as digits as its factorization.

10303923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490673.

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 10303923 is about 3209.9724297881. The cubic root of 10303923 is about 217.6043309741.

The spelling of 10303923 in words is "ten million, three hundred three thousand, nine hundred twenty-three".

Divisors: 1 3 7 21 490663 1471989 3434641 10303923