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305107 = 1127737
BaseRepresentation
bin1001010011111010011
3120111112021
41022133103
534230412
610312311
72410345
oct1123723
9514467
10305107
11199260
12128697
13a8b4a
147d295
1560607
hex4a7d3

305107 has 4 divisors (see below), whose sum is σ = 332856. Its totient is φ = 277360.

The previous prime is 305101. The next prime is 305111. The reversal of 305107 is 701503.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 701503 = 1163773.

It is a cyclic number.

It is not a de Polignac number, because 305107 - 27 = 304979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (305101) 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 3 ways as a sum of consecutive naturals, for example, 13858 + ... + 13879.

It is an arithmetic number, because the mean of its divisors is an integer number (83214).

2305107 is an apocalyptic number.

305107 is a deficient number, since it is larger than the sum of its proper divisors (27749).

305107 is a wasteful number, since it uses less digits than its factorization.

305107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27748.

The product of its (nonzero) digits is 105, while the sum is 16.

The square root of 305107 is about 552.3649156129. The cubic root of 305107 is about 67.3210256453.

The spelling of 305107 in words is "three hundred five thousand, one hundred seven".

Divisors: 1 11 27737 305107