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300800400 = 243521979167
BaseRepresentation
bin10001111011011…
…101100110010000
3202222000020120120
4101323131212100
51104001103100
645503110240
710311522045
oct2173354620
9688006516
10300800400
1114488087a
12848a2380
134a41b204
142bd411cc
151b61b0a0
hex11edd990

300800400 has 240 divisors, whose sum is σ = 1033267200. Its totient is φ = 74580480.

The previous prime is 300800399. The next prime is 300800407. The reversal of 300800400 is 4008003.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 300800400.

It is not an unprimeable number, because it can be changed into a prime (300800407) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1801117 + ... + 1801283.

It is an arithmetic number, because the mean of its divisors is an integer number (4305280).

Almost surely, 2300800400 is an apocalyptic number.

300800400 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 300800400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (516633600).

300800400 is an abundant number, since it is smaller than the sum of its proper divisors (732466800).

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

300800400 is a wasteful number, since it uses less digits than its factorization.

300800400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 300800400 is about 17343.5982425793. The cubic root of 300800400 is about 670.0277704388.

Adding to 300800400 its reverse (4008003), we get a palindrome (304808403).

The spelling of 300800400 in words is "three hundred million, eight hundred thousand, four hundred".