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750220380 = 223457213727
BaseRepresentation
bin101100101101110…
…111010001011100
31221021200010220000
4230231313101130
53014024023010
6202235454300
724406524300
oct5455672134
91837603800
10750220380
11355530748
1218b2b7390
13bc573bb0
14718cbd00
1545ce27c0
hex2cb7745c

750220380 has 360 divisors, whose sum is σ = 2952357408. Its totient is φ = 158070528.

The previous prime is 750220351. The next prime is 750220381. The reversal of 750220380 is 83022057.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (750220381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1031577 + ... + 1032303.

Almost surely, 2750220380 is an apocalyptic number.

750220380 is a gapful number since it is divisible by the number (70) 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 750220380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1476178704).

750220380 is an abundant number, since it is smaller than the sum of its proper divisors (2202137028).

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

750220380 is a wasteful number, since it uses less digits than its factorization.

750220380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775 (or 757 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 750220380 is about 27390.1511496377. The cubic root of 750220380 is about 908.6492781537.

The spelling of 750220380 in words is "seven hundred fifty million, two hundred twenty thousand, three hundred eighty".