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290442952800 = 25335272111319101
BaseRepresentation
bin1000011100111111011…
…11111100000001100000
31000202200110122201122000
410032133233330001200
514224311343442200
6341232212244000
726661306236100
oct4163757740140
91022613581560
10290442952800
111021a3525290
1248358910600
1321508b415b0
14100b3b65200
15784d64b300
hex439fbfc060

290442952800 has 3456 divisors, whose sum is σ = 1526077324800. Its totient is φ = 52254720000.

The previous prime is 290442952769. The next prime is 290442952801. The reversal of 290442952800 is 8259244092.

It is a super-3 number, since 3×2904429528003 (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290442952801) by changing a digit.

It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 2875672750 + ... + 2875672850.

It is an arithmetic number, because the mean of its divisors is an integer number (441573300).

Almost surely, 2290442952800 is an apocalyptic number.

290442952800 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 290442952800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (763038662400).

290442952800 is an abundant number, since it is smaller than the sum of its proper divisors (1235634372000).

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

290442952800 is a wasteful number, since it uses less digits than its factorization.

290442952800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 290442952800 in words is "two hundred ninety billion, four hundred forty-two million, nine hundred fifty-two thousand, eight hundred".