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305341472 = 2530892
BaseRepresentation
bin10010001100110…
…010010000100000
3210021112221202102
4102030302100200
51111131411342
650144305532
710365234242
oct2214622040
9707487672
10305341472
111473a2627
12863122a8
134b34b137
142c7a4092
151bc16832
hex12332420

305341472 has 18 divisors (see below), whose sum is σ = 601335693. Its totient is φ = 152621312.

The previous prime is 305341459. The next prime is 305341489. The reversal of 305341472 is 274143503.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 236052496 + 69288976 = 15364^2 + 8324^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=12356.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 97304 + ... + 100392.

Almost surely, 2305341472 is an apocalyptic number.

305341472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

305341472 is a deficient number, since it is larger than the sum of its proper divisors (295994221).

305341472 is an frugal number, since it uses more digits than its factorization.

305341472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6188 (or 3091 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 305341472 is about 17474.0227766820. The cubic root of 305341472 is about 673.3826643159.

Adding to 305341472 its reverse (274143503), we get a palindrome (579484975).

The spelling of 305341472 in words is "three hundred five million, three hundred forty-one thousand, four hundred seventy-two".

Divisors: 1 2 4 8 16 32 3089 6178 12356 24712 49424 98848 9541921 19083842 38167684 76335368 152670736 305341472