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304372080 = 2436517307
BaseRepresentation
bin10010001001000…
…101100101110000
3210012201201000000
4102021011211300
51110404401310
650111430000
710354056105
oct2211054560
9705651000
10304372080
111468a0281
1285b25300
134b09bb2c
142c5d0aac
151bac44c0
hex12245970

304372080 has 280 divisors, whose sum is σ = 1127084112. Its totient is φ = 76142592.

The previous prime is 304372073. The next prime is 304372099. The reversal of 304372080 is 80273403.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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 in 55 ways as a sum of consecutive naturals, for example, 991287 + ... + 991593.

Almost surely, 2304372080 is an apocalyptic number.

304372080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304372080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (563542056).

304372080 is an abundant number, since it is smaller than the sum of its proper divisors (822712032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

304372080 is a wasteful number, since it uses less digits than its factorization.

304372080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 304372080 is about 17446.2626370234. The cubic root of 304372080 is about 672.6692949127.

The spelling of 304372080 in words is "three hundred four million, three hundred seventy-two thousand, eighty".