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305342144 = 264770971
BaseRepresentation
bin10010001100110…
…010011011000000
3210021112222200022
4102030302123000
51111131422034
650144313012
710365236222
oct2214623300
9707488608
10305342144
111473a3088
1286312768
134b34b533
142c7a4412
151bc16b2e
hex123326c0

305342144 has 14 divisors (see below), whose sum is σ = 605913444. Its totient is φ = 152671040.

The previous prime is 305342123. The next prime is 305342171. The reversal of 305342144 is 441243503.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2385422 + ... + 2385549.

Almost surely, 2305342144 is an apocalyptic number.

It is an amenable number.

305342144 is a deficient number, since it is larger than the sum of its proper divisors (300571300).

305342144 is an equidigital number, since it uses as much as digits as its factorization.

305342144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4770983 (or 4770973 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 305342144 is about 17474.0420052145. The cubic root of 305342144 is about 673.3831583124.

Adding to 305342144 its reverse (441243503), we get a palindrome (746585647).

The spelling of 305342144 in words is "three hundred five million, three hundred forty-two thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 32 64 4770971 9541942 19083884 38167768 76335536 152671072 305342144