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10512020 = 2254753211
BaseRepresentation
bin101000000110…
…011010010100
3201210001210002
4220012122110
510142341040
61013150432
7155231201
oct50063224
921701702
1010512020
115a2a922
12362b418
13224093c
141578ca8
15dc9a15
hexa06694

10512020 has 48 divisors (see below), whose sum is σ = 23079168. Its totient is φ = 4018560.

The previous prime is 10512017. The next prime is 10512043. The reversal of 10512020 is 2021501.

It is a super-2 number, since 2×105120202 = 221005128960800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10511992 and 10512010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49715 + ... + 49925.

It is an arithmetic number, because the mean of its divisors is an integer number (480816).

Almost surely, 210512020 is an apocalyptic number.

10512020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10512020 is an abundant number, since it is smaller than the sum of its proper divisors (12567148).

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

10512020 is a wasteful number, since it uses less digits than its factorization.

10512020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 10512020 is about 3242.2245449691. The cubic root of 10512020 is about 219.0594835744.

Adding to 10512020 its reverse (2021501), we get a palindrome (12533521).

The spelling of 10512020 in words is "ten million, five hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 47 53 94 106 188 211 212 235 265 422 470 530 844 940 1055 1060 2110 2491 4220 4982 9917 9964 11183 12455 19834 22366 24910 39668 44732 49585 49820 55915 99170 111830 198340 223660 525601 1051202 2102404 2628005 5256010 10512020