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10020486 = 2371929433
BaseRepresentation
bin100110001110…
…011010000110
3200212002112010
4212032122012
510031123421
6554435050
7151113150
oct46163206
920762463
1010020486
1157245a3
123432a86
1320caca8
14148bad0
15d2e076
hex98e686

10020486 has 64 divisors (see below), whose sum is σ = 24998400. Its totient is φ = 2612736.

The previous prime is 10020469. The next prime is 10020487. The reversal of 10020486 is 68402001.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020487) 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 31 ways as a sum of consecutive naturals, for example, 22926 + ... + 23358.

It is an arithmetic number, because the mean of its divisors is an integer number (390600).

Almost surely, 210020486 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10020486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12499200).

10020486 is an abundant number, since it is smaller than the sum of its proper divisors (14977914).

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

10020486 is a wasteful number, since it uses less digits than its factorization.

10020486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 10020486 is about 3165.5151239569. The cubic root of 10020486 is about 215.5904878181.

Adding to 10020486 its reverse (68402001), we get a palindrome (78422487).

The spelling of 10020486 in words is "ten million, twenty thousand, four hundred eighty-six".

Divisors: 1 2 3 6 7 14 19 21 29 38 42 57 58 87 114 133 174 203 266 399 406 433 551 609 798 866 1102 1218 1299 1653 2598 3031 3306 3857 6062 7714 8227 9093 11571 12557 16454 18186 23142 24681 25114 37671 49362 57589 75342 87899 115178 172767 175798 238583 263697 345534 477166 527394 715749 1431498 1670081 3340162 5010243 10020486