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290033137 = 2411203457
BaseRepresentation
bin10001010010011…
…000110111110001
3202012202012200001
4101102120313301
51043222030022
644440230001
710121145442
oct2122306761
9665665601
10290033137
11139797209
128116b301
134811b354
142a73b2c9
151a6e0b27
hex11498df1

290033137 has 4 divisors (see below), whose sum is σ = 291236836. Its totient is φ = 288829440.

The previous prime is 290033087. The next prime is 290033153. The reversal of 290033137 is 731330092.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 130667761 + 159365376 = 11431^2 + 12624^2 .

It is a cyclic number.

It is not a de Polignac number, because 290033137 - 223 = 281644529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (290034137) 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, 601488 + ... + 601969.

It is an arithmetic number, because the mean of its divisors is an integer number (72809209).

Almost surely, 2290033137 is an apocalyptic number.

It is an amenable number.

290033137 is a deficient number, since it is larger than the sum of its proper divisors (1203699).

290033137 is a wasteful number, since it uses less digits than its factorization.

290033137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203698.

The product of its (nonzero) digits is 3402, while the sum is 28.

The square root of 290033137 is about 17030.3592739554. The cubic root of 290033137 is about 661.9358050279.

The spelling of 290033137 in words is "two hundred ninety million, thirty-three thousand, one hundred thirty-seven".

Divisors: 1 241 1203457 290033137