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289073386 = 2797212867
BaseRepresentation
bin10001001110101…
…110100011101010
3202010221110010201
4101032232203222
51043000322021
644403502414
710110040360
oct2116564352
9663843121
10289073386
111391a1128
1280987a0a
1347b73554
142a56b630
151a5a1591
hex113ae8ea

289073386 has 16 divisors (see below), whose sum is σ = 500665536. Its totient is φ = 122610816.

The previous prime is 289073383. The next prime is 289073387. The reversal of 289073386 is 683370982.

It is not an unprimeable number, because it can be changed into a prime (289073381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105076 + ... + 107791.

It is an arithmetic number, because the mean of its divisors is an integer number (31291596).

Almost surely, 2289073386 is an apocalyptic number.

289073386 is a deficient number, since it is larger than the sum of its proper divisors (211592150).

289073386 is a wasteful number, since it uses less digits than its factorization.

289073386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212973.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 289073386 is about 17002.1582747603. The cubic root of 289073386 is about 661.2048591319.

The spelling of 289073386 in words is "two hundred eighty-nine million, seventy-three thousand, three hundred eighty-six".

Divisors: 1 2 7 14 97 194 679 1358 212867 425734 1490069 2980138 20648099 41296198 144536693 289073386