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10490020 = 2251730853
BaseRepresentation
bin101000000001…
…000010100100
3201201221121021
4220001002210
510141140040
61012500524
7155110102
oct50010244
921657537
1010490020
115a15342
12361a744
132233918
141570c72
15dc324a
hexa010a4

10490020 has 24 divisors (see below), whose sum is σ = 23325624. Its totient is φ = 3949056.

The previous prime is 10490009. The next prime is 10490041. The reversal of 10490020 is 2009401.

It can be written as a sum of positive squares in 4 ways, for example, as 605284 + 9884736 = 778^2 + 3144^2 .

It is a super-2 number, since 2×104900202 = 220081039200800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10489976 and 10490003.

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, 15087 + ... + 15766.

It is an arithmetic number, because the mean of its divisors is an integer number (971901).

Almost surely, 210490020 is an apocalyptic number.

10490020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10490020 is an abundant number, since it is smaller than the sum of its proper divisors (12835604).

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

10490020 is a wasteful number, since it uses less digits than its factorization.

10490020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30879 (or 30877 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 10490020 is about 3238.8300356765. The cubic root of 10490020 is about 218.9065578579.

Adding to 10490020 its reverse (2009401), we get a palindrome (12499421).

The spelling of 10490020 in words is "ten million, four hundred ninety thousand, twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 30853 61706 123412 154265 308530 524501 617060 1049002 2098004 2622505 5245010 10490020