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1687485034 = 24389220471
BaseRepresentation
bin110010010010100…
…1111101001101010
311100121022010021201
41210211033221222
511423444010114
6435240354414
756550246304
oct14445175152
94317263251
101687485034
117965a5534
123b1175a0a
1320b7b7071
14120188974
159d230874
hex6494fa6a

1687485034 has 16 divisors (see below), whose sum is σ = 2619207360. Its totient is φ = 814857120.

The previous prime is 1687485017. The next prime is 1687485053. The reversal of 1687485034 is 4305847861.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102582 + ... + 117889.

It is an arithmetic number, because the mean of its divisors is an integer number (163700460).

Almost surely, 21687485034 is an apocalyptic number.

1687485034 is a deficient number, since it is larger than the sum of its proper divisors (931722326).

1687485034 is a wasteful number, since it uses less digits than its factorization.

1687485034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220605.

The product of its (nonzero) digits is 645120, while the sum is 46.

The square root of 1687485034 is about 41079.0096521326. The cubic root of 1687485034 is about 1190.5472694036.

The spelling of 1687485034 in words is "one billion, six hundred eighty-seven million, four hundred eighty-five thousand, thirty-four".

Divisors: 1 2 43 86 89 178 3827 7654 220471 440942 9480253 18960506 19621919 39243838 843742517 1687485034