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305342023 = 754180629
BaseRepresentation
bin10010001100110…
…010011001000111
3210021112222111211
4102030302121013
51111131421043
650144312251
710365235660
oct2214623107
9707488454
10305342023
111473a2a88
1286312687
134b34b46c
142c7a4367
151bc16a9d
hex12332647

305342023 has 8 divisors (see below), whose sum is σ = 349611680. Its totient is φ = 261234720.

The previous prime is 305342017. The next prime is 305342029. The reversal of 305342023 is 320243503.

It is an interprime number because it is at equal distance from previous prime (305342017) and next prime (305342029).

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

It is a cyclic number.

It is not a de Polignac number, because 305342023 - 221 = 303244871 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 305341985 and 305342003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305342029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36528 + ... + 44101.

It is an arithmetic number, because the mean of its divisors is an integer number (43701460).

Almost surely, 2305342023 is an apocalyptic number.

305342023 is a deficient number, since it is larger than the sum of its proper divisors (44269657).

305342023 is an equidigital number, since it uses as much as digits as its factorization.

305342023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81177.

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 305342023 is about 17474.0385429356. The cubic root of 305342023 is about 673.3830693636.

Adding to 305342023 its reverse (320243503), we get a palindrome (625585526).

The spelling of 305342023 in words is "three hundred five million, three hundred forty-two thousand, twenty-three".

Divisors: 1 7 541 3787 80629 564403 43620289 305342023