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305380270 = 25132349079
BaseRepresentation
bin10010001100111…
…011101110101110
3210021121220222101
4102030323232232
51111134132040
650145205314
710365455326
oct2214735656
9707556871
10305380270
11147419798
128633083a
134b3629b0
142c7b4286
151bc2309a
hex1233bbae

305380270 has 16 divisors (see below), whose sum is σ = 591968160. Its totient is φ = 112755744.

The previous prime is 305380249. The next prime is 305380289. The reversal of 305380270 is 72083503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1174410 + ... + 1174669.

It is an arithmetic number, because the mean of its divisors is an integer number (36998010).

Almost surely, 2305380270 is an apocalyptic number.

305380270 is a deficient number, since it is larger than the sum of its proper divisors (286587890).

305380270 is a wasteful number, since it uses less digits than its factorization.

305380270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2349099.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 305380270 is about 17475.1329036434. The cubic root of 305380270 is about 673.4111840733.

The spelling of 305380270 in words is "three hundred five million, three hundred eighty thousand, two hundred seventy".

Divisors: 1 2 5 10 13 26 65 130 2349079 4698158 11745395 23490790 30538027 61076054 152690135 305380270