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10198530 = 2325472411
BaseRepresentation
bin100110111001…
…111000000010
3201012010202100
4212321320002
510102323110
61002331230
7152454216
oct46717002
921163670
1010198530
115836341
1234b9b16
132161044
1414d6946
15d66bc0
hex9b9e02

10198530 has 48 divisors (see below), whose sum is σ = 27091584. Its totient is φ = 2660640.

The previous prime is 10198519. The next prime is 10198541. The reversal of 10198530 is 3589101.

10198530 = 1332 + 1342 + ... + 3202.

It is an interprime number because it is at equal distance from previous prime (10198519) and next prime (10198541).

It is a junction number, because it is equal to n+sod(n) for n = 10198494 and 10198503.

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 23 ways as a sum of consecutive naturals, for example, 3025 + ... + 5435.

It is an arithmetic number, because the mean of its divisors is an integer number (564408).

Almost surely, 210198530 is an apocalyptic number.

10198530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10198530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13545792).

10198530 is an abundant number, since it is smaller than the sum of its proper divisors (16893054).

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

10198530 is a wasteful number, since it uses less digits than its factorization.

10198530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2471 (or 2468 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 10198530 is about 3193.5137388150. The cubic root of 10198530 is about 216.8598697459.

The spelling of 10198530 in words is "ten million, one hundred ninety-eight thousand, five hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 47 90 94 141 235 282 423 470 705 846 1410 2115 2411 4230 4822 7233 12055 14466 21699 24110 36165 43398 72330 108495 113317 216990 226634 339951 566585 679902 1019853 1133170 1699755 2039706 3399510 5099265 10198530