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290500529 = 1126409139
BaseRepresentation
bin10001010100001…
…010111110110001
3202020121221210212
4101110022332301
51043332004104
644454233505
710125133214
oct2124127661
9666557725
10290500529
11139a86390
1281355895
1348253007
142a81d77b
151a78436e
hex1150afb1

290500529 has 4 divisors (see below), whose sum is σ = 316909680. Its totient is φ = 264091380.

The previous prime is 290500523. The next prime is 290500531. The reversal of 290500529 is 925005092.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 290500529 - 224 = 273723313 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 290500495 and 290500504.

It is not an unprimeable number, because it can be changed into a prime (290500523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13204559 + ... + 13204580.

It is an arithmetic number, because the mean of its divisors is an integer number (79227420).

Almost surely, 2290500529 is an apocalyptic number.

It is an amenable number.

290500529 is a deficient number, since it is larger than the sum of its proper divisors (26409151).

290500529 is a wasteful number, since it uses less digits than its factorization.

290500529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26409150.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 290500529 is about 17044.0760676547. The cubic root of 290500529 is about 662.2911867840.

The spelling of 290500529 in words is "two hundred ninety million, five hundred thousand, five hundred twenty-nine".

Divisors: 1 11 26409139 290500529