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10020918 = 234993347
BaseRepresentation
bin100110001110…
…100000110110
3200212010010010
4212032200312
510031132133
6554441050
7151114335
oct46164066
920763103
1010020918
115724956
123433186
1320cb24b
14148bd1c
15d2e263
hex98e836

10020918 has 16 divisors (see below), whose sum is σ = 20088000. Its totient is φ = 3332616.

The previous prime is 10020889. The next prime is 10020931. The reversal of 10020918 is 81902001.

It is a junction number, because it is equal to n+sod(n) for n = 10020894 and 10020903.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1321 + ... + 4667.

It is an arithmetic number, because the mean of its divisors is an integer number (1255500).

Almost surely, 210020918 is an apocalyptic number.

10020918 is an abundant number, since it is smaller than the sum of its proper divisors (10067082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10020918 is a wasteful number, since it uses less digits than its factorization.

10020918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3851.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 10020918 is about 3165.5833585613. The cubic root of 10020918 is about 215.5935859298.

Adding to 10020918 its reverse (81902001), we get a palindrome (91922919).

The spelling of 10020918 in words is "ten million, twenty thousand, nine hundred eighteen".

Divisors: 1 2 3 6 499 998 1497 2994 3347 6694 10041 20082 1670153 3340306 5010459 10020918