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220301400 = 2335211291151
BaseRepresentation
bin11010010000110…
…00100001011000
3120100112110201010
431020120201120
5422344121100
633505453520
75313350064
oct1510304130
9510473633
10220301400
11103399780
12619412a0
1336844977
1421388aa4
1514519750
hexd218858

220301400 has 192 divisors, whose sum is σ = 771379200. Its totient is φ = 51520000.

The previous prime is 220301399. The next prime is 220301423. The reversal of 220301400 is 4103022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 190825 + ... + 191975.

It is an arithmetic number, because the mean of its divisors is an integer number (4017600).

Almost surely, 2220301400 is an apocalyptic number.

220301400 is a gapful number since it is divisible by the number (20) 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 220301400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (385689600).

220301400 is an abundant number, since it is smaller than the sum of its proper divisors (551077800).

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

220301400 is a wasteful number, since it uses less digits than its factorization.

220301400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210 (or 1201 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 220301400 is about 14842.5536886346. The cubic root of 220301400 is about 603.9566289048.

Adding to 220301400 its reverse (4103022), we get a palindrome (224404422).

The spelling of 220301400 in words is "two hundred twenty million, three hundred one thousand, four hundred".