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10193820 = 22357131867
BaseRepresentation
bin100110111000…
…101110011100
3201011220021220
4212320232130
510102200240
61002253340
7152434410
oct46705634
921156256
1010193820
11583284a
1234b7250
13215bb60
1414d4d40
15d655d0
hex9b8b9c

10193820 has 96 divisors (see below), whose sum is σ = 35148288. Its totient is φ = 2149632.

The previous prime is 10193809. The next prime is 10193839. The reversal of 10193820 is 2839101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4527 + ... + 6393.

It is an arithmetic number, because the mean of its divisors is an integer number (366128).

Almost surely, 210193820 is an apocalyptic number.

10193820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10193820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17574144).

10193820 is an abundant number, since it is smaller than the sum of its proper divisors (24954468).

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

10193820 is a wasteful number, since it uses less digits than its factorization.

10193820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1899 (or 1897 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 10193820 is about 3192.7762214098. The cubic root of 10193820 is about 216.8264803827.

The spelling of 10193820 in words is "ten million, one hundred ninety-three thousand, eight hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 13 14 15 20 21 26 28 30 35 39 42 52 60 65 70 78 84 91 105 130 140 156 182 195 210 260 273 364 390 420 455 546 780 910 1092 1365 1820 1867 2730 3734 5460 5601 7468 9335 11202 13069 18670 22404 24271 26138 28005 37340 39207 48542 52276 56010 65345 72813 78414 97084 112020 121355 130690 145626 156828 169897 196035 242710 261380 291252 339794 364065 392070 485420 509691 679588 728130 784140 849485 1019382 1456260 1698970 2038764 2548455 3397940 5096910 10193820