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290027004 = 223172276263
BaseRepresentation
bin10001010010010…
…111010111111100
3202012201220020220
4101102113113330
51043221331004
644440141340
710121121531
oct2122272774
9665656226
10290027004
11139792643
1281167850
1348118617
142a738d88
151a6dddd9
hex114975fc

290027004 has 48 divisors (see below), whose sum is σ = 719808768. Its totient is φ = 90573568.

The previous prime is 290026991. The next prime is 290027009. The reversal of 290027004 is 400720092.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290027009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43177 + ... + 49439.

It is an arithmetic number, because the mean of its divisors is an integer number (14996016).

Almost surely, 2290027004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 290027004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359904384).

290027004 is an abundant number, since it is smaller than the sum of its proper divisors (429781764).

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

290027004 is a wasteful number, since it uses less digits than its factorization.

290027004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6514 (or 6512 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 290027004 is about 17030.1792122103. The cubic root of 290027004 is about 661.9311392612.

Adding to 290027004 its reverse (400720092), we get a palindrome (690747096).

The spelling of 290027004 in words is "two hundred ninety million, twenty-seven thousand, four".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 227 454 681 908 1362 2724 3859 6263 7718 11577 12526 15436 18789 23154 25052 37578 46308 75156 106471 212942 319413 425884 638826 1277652 1421701 2843402 4265103 5686804 8530206 17060412 24168917 48337834 72506751 96675668 145013502 290027004