Search a number
-
+
10687898 = 2132103307
BaseRepresentation
bin101000110001…
…010110011010
3202010000001002
4220301112122
510214003043
61021025002
7156563024
oct50612632
922100032
1010687898
11603aa81
1236b5162
1322a2a00
1415c3014
15e11bb8
hexa3159a

10687898 has 24 divisors (see below), whose sum is σ = 17585568. Its totient is φ = 4869072.

The previous prime is 10687891. The next prime is 10687903. The reversal of 10687898 is 89878601.

It is a super-2 number, since 2×106878982 = 228462327316808, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10687891) 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 11 ways as a sum of consecutive naturals, for example, 34661 + ... + 34967.

It is an arithmetic number, because the mean of its divisors is an integer number (732732).

Almost surely, 210687898 is an apocalyptic number.

10687898 is a deficient number, since it is larger than the sum of its proper divisors (6897670).

10687898 is a wasteful number, since it uses less digits than its factorization.

10687898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 47.

The square root of 10687898 is about 3269.2350787302. The cubic root of 10687898 is about 220.2744371277.

The spelling of 10687898 in words is "ten million, six hundred eighty-seven thousand, eight hundred ninety-eight".

Divisors: 1 2 13 26 103 169 206 307 338 614 1339 2678 3991 7982 17407 31621 34814 51883 63242 103766 411073 822146 5343949 10687898