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453493040 = 245721113809
BaseRepresentation
bin11011000001111…
…100000100110000
31011121022211111112
4123001330010300
51412043234130
6112555532452
714144425100
oct3301740460
91147284445
10453493040
11212a92040
12107a5a128
1372c508a0
144432b200
1529c2d495
hex1b07c130

453493040 has 240 divisors, whose sum is σ = 1442720160. Its totient is φ = 130314240.

The previous prime is 453493013. The next prime is 453493063. The reversal of 453493040 is 40394354.

It is a junction number, because it is equal to n+sod(n) for n = 453492988 and 453493006.

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, 560156 + ... + 560964.

It is an arithmetic number, because the mean of its divisors is an integer number (6011334).

Almost surely, 2453493040 is an apocalyptic number.

453493040 is a gapful number since it is divisible by the number (40) 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 453493040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (721360080).

453493040 is an abundant number, since it is smaller than the sum of its proper divisors (989227120).

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

453493040 is a wasteful number, since it uses less digits than its factorization.

453493040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860 (or 847 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 453493040 is about 21295.3760239166. The cubic root of 453493040 is about 768.2871014991.

The spelling of 453493040 in words is "four hundred fifty-three million, four hundred ninety-three thousand, forty".