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10297530 = 234512713
BaseRepresentation
bin100111010010…
…000010111010
3201101011120000
4213102002322
510114010110
61004413430
7153345645
oct47220272
921334500
1010297530
1158a3761
123547276
132197119
141520a5c
15d861c0
hex9d20ba

10297530 has 40 divisors (see below), whose sum is σ = 27691092. Its totient is φ = 2745792.

The previous prime is 10297513. The next prime is 10297531. The reversal of 10297530 is 3579201.

It can be written as a sum of positive squares in 2 ways, for example, as 9865881 + 431649 = 3141^2 + 657^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 10297494 and 10297503.

It is not an unprimeable number, because it can be changed into a prime (10297531) 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 19 ways as a sum of consecutive naturals, for example, 5547 + ... + 7166.

Almost surely, 210297530 is an apocalyptic number.

10297530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10297530 is an abundant number, since it is smaller than the sum of its proper divisors (17393562).

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

10297530 is a wasteful number, since it uses less digits than its factorization.

10297530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12732 (or 12723 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 10297530 is about 3208.9764723351. The cubic root of 10297530 is about 217.5593179470.

The spelling of 10297530 in words is "ten million, two hundred ninety-seven thousand, five hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 270 405 810 12713 25426 38139 63565 76278 114417 127130 190695 228834 343251 381390 572085 686502 1029753 1144170 1716255 2059506 3432510 5148765 10297530