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290910016 = 264545469
BaseRepresentation
bin10001010101101…
…110111101000000
3202021101202112001
4101111232331000
51043433110031
644511113344
710131460105
oct2125567500
9667352461
10290910016
1113a236001
1281512854
1348367507
142a8c8aac
151a815861
hex1156ef40

290910016 has 14 divisors (see below), whose sum is σ = 577274690. Its totient is φ = 145454976.

The previous prime is 290910013. The next prime is 290910017. The reversal of 290910016 is 610019092.

290910016 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 156350016 + 134560000 = 12504^2 + 11600^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290910013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2272671 + ... + 2272798.

Almost surely, 2290910016 is an apocalyptic number.

It is an amenable number.

290910016 is a deficient number, since it is larger than the sum of its proper divisors (286364674).

290910016 is an equidigital number, since it uses as much as digits as its factorization.

290910016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4545481 (or 4545471 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 290910016 is about 17056.0844275584. The cubic root of 290910016 is about 662.6022273008.

The spelling of 290910016 in words is "two hundred ninety million, nine hundred ten thousand, sixteen".

Divisors: 1 2 4 8 16 32 64 4545469 9090938 18181876 36363752 72727504 145455008 290910016