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290069697 = 3318593631
BaseRepresentation
bin10001010010100…
…001110011000001
3202012211001211010
4101102201303001
51043224212242
644441111133
710121360151
oct2122416301
9665731733
10290069697
11139811725
12811884a9
1348131b98
142a74a761
151a6eb89c
hex114a1cc1

290069697 has 16 divisors (see below), whose sum is σ = 399810560. Its totient is φ = 186872400.

The previous prime is 290069693. The next prime is 290069699. The reversal of 290069697 is 796960092.

It is a happy number.

It is not a de Polignac number, because 290069697 - 22 = 290069693 is a prime.

It is a Duffinian number.

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (290069693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78072 + ... + 81702.

It is an arithmetic number, because the mean of its divisors is an integer number (24988160).

Almost surely, 2290069697 is an apocalyptic number.

It is an amenable number.

290069697 is a deficient number, since it is larger than the sum of its proper divisors (109740863).

290069697 is a wasteful number, since it uses less digits than its factorization.

290069697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4524.

The product of its (nonzero) digits is 367416, while the sum is 48.

The square root of 290069697 is about 17031.4326173696. The cubic root of 290069697 is about 661.9636172020.

The spelling of 290069697 in words is "two hundred ninety million, sixty-nine thousand, six hundred ninety-seven".

Divisors: 1 3 31 93 859 2577 3631 10893 26629 79887 112561 337683 3119029 9357087 96689899 290069697