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13922403 = 311421891
BaseRepresentation
bin110101000111…
…000001100011
3222012022221120
4311013001203
512031004103
61214223323
7226224045
oct65070143
928168846
1013922403
11794a120
1247b4b43
132b66011
141bc5a95
151350253
hexd47063

13922403 has 8 divisors (see below), whose sum is σ = 20250816. Its totient is φ = 8437800.

The previous prime is 13922401. The next prime is 13922417. The reversal of 13922403 is 30422931.

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

It is not a de Polignac number, because 13922403 - 21 = 13922401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13922401) 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 7 ways as a sum of consecutive naturals, for example, 210913 + ... + 210978.

It is an arithmetic number, because the mean of its divisors is an integer number (2531352).

Almost surely, 213922403 is an apocalyptic number.

13922403 is a deficient number, since it is larger than the sum of its proper divisors (6328413).

13922403 is a wasteful number, since it uses less digits than its factorization.

13922403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421905.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 13922403 is about 3731.2736431412. The cubic root of 13922403 is about 240.5681159290.

The spelling of 13922403 in words is "thirteen million, nine hundred twenty-two thousand, four hundred three".

Divisors: 1 3 11 33 421891 1265673 4640801 13922403