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305114400 = 253252311367
BaseRepresentation
bin10010001011111…
…010110100100000
3210021010102021100
4102023322310200
51111102130100
650135354400
710363300233
oct2213726440
9707112240
10305114400
11147257a68
1286222a00
134b29b986
142c74541a
151bbbe400
hex122fad20

305114400 has 216 divisors, whose sum is σ = 1111428864. Its totient is φ = 78681600.

The previous prime is 305114399. The next prime is 305114401. The reversal of 305114400 is 4411503.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (305114399) and next prime (305114401).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (305114401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 222517 + ... + 223883.

It is an arithmetic number, because the mean of its divisors is an integer number (5145504).

Almost surely, 2305114400 is an apocalyptic number.

305114400 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 305114400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (555714432).

305114400 is an abundant number, since it is smaller than the sum of its proper divisors (806314464).

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

305114400 is a wasteful number, since it uses less digits than its factorization.

305114400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424 (or 1408 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 305114400 is about 17467.5241519799. The cubic root of 305114400 is about 673.2156990417.

Adding to 305114400 its reverse (4411503), we get a palindrome (309525903).

The spelling of 305114400 in words is "three hundred five million, one hundred fourteen thousand, four hundred".