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753030432 = 253474112
BaseRepresentation
bin101100111000100…
…101010100100000
31221110221220120000
4230320211110200
53020233433212
6202420020000
724442440000
oct5470452440
91843856500
10753030432
1135707aa00
12190231600
13c0018c4b
1472020000
154619a1dc
hex2ce25520

753030432 has 450 divisors, whose sum is σ = 2839819059. Its totient is φ = 195592320.

The previous prime is 753030431. The next prime is 753030451. The reversal of 753030432 is 234030357.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 376515216 + 376515216 = 19404^2 + 19404^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=19404.

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

It is a junction number, because it is equal to n+sod(n) for n = 753030396 and 753030405.

It is not an unprimeable number, because it can be changed into a prime (753030431) by changing a digit.

It is a polite number, since it can be written in 74 ways as a sum of consecutive naturals, for example, 68457307 + ... + 68457317.

Almost surely, 2753030432 is an apocalyptic number.

753030432 is a gapful number since it is divisible by the number (72) 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 753030432

753030432 is an abundant number, since it is smaller than the sum of its proper divisors (2086788627).

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

753030432 is an equidigital number, since it uses as much as digits as its factorization.

753030432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72 (or 23 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 27.

The square root of 753030432 is about 27441.3999642875. The cubic root of 753030432 is about 909.7823542612.

Adding to 753030432 its reverse (234030357), we get a palindrome (987060789).

The spelling of 753030432 in words is "seven hundred fifty-three million, thirty thousand, four hundred thirty-two".