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300220138 = 2206372763
BaseRepresentation
bin10001111001001…
…111111011101010
3202220220202121101
4101321033323222
51103324021023
645442432014
710303554241
oct2171177352
9686822541
10300220138
11144514919
128466260a
134a27706a
142bc2d958
151b5541ad
hex11e4feea

300220138 has 8 divisors (see below), whose sum is σ = 450554688. Its totient is φ = 150035244.

The previous prime is 300220111. The next prime is 300220139. The reversal of 300220138 is 831022003.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (300220139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32256 + ... + 40507.

It is an arithmetic number, because the mean of its divisors is an integer number (56319336).

Almost surely, 2300220138 is an apocalyptic number.

300220138 is a deficient number, since it is larger than the sum of its proper divisors (150334550).

300220138 is a wasteful number, since it uses less digits than its factorization.

300220138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74828.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 300220138 is about 17326.8617470100. The cubic root of 300220138 is about 669.5966518596.

The spelling of 300220138 in words is "three hundred million, two hundred twenty thousand, one hundred thirty-eight".

Divisors: 1 2 2063 4126 72763 145526 150110069 300220138