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453242790 = 234571113243
BaseRepresentation
bin11011000000111…
…110111110100110
31011120212010020000
4123000332332212
51412012232130
6112550322130
714142333360
oct3300767646
91146763200
10453242790
11212931020
12107959346
1372b93a00
14442a3d30
1529bce260
hex1b03efa6

453242790 has 480 divisors, whose sum is σ = 1683576576. Its totient is φ = 84913920.

The previous prime is 453242773. The next prime is 453242813. The reversal of 453242790 is 97242354.

It is a congruent number.

It is an unprimeable number.

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 239 ways as a sum of consecutive naturals, for example, 10540509 + ... + 10540551.

Almost surely, 2453242790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 453242790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (841788288).

453242790 is an abundant number, since it is smaller than the sum of its proper divisors (1230333786).

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

453242790 is a wasteful number, since it uses less digits than its factorization.

453242790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 453242790 is about 21289.4995244134. The cubic root of 453242790 is about 768.1457548069.

The spelling of 453242790 in words is "four hundred fifty-three million, two hundred forty-two thousand, seven hundred ninety".