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10193890 = 2571071361
BaseRepresentation
bin100110111000…
…101111100010
3201011220101111
4212320233202
510102201030
61002253534
7152434540
oct46705742
921156344
1010193890
115832903
1234b72aa
13215bbb5
1414d4d90
15d6562a
hex9b8be2

10193890 has 32 divisors (see below), whose sum is σ = 21181824. Its totient is φ = 3459840.

The previous prime is 10193867. The next prime is 10193891. The reversal of 10193890 is 9839101.

It is not an unprimeable number, because it can be changed into a prime (10193891) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6810 + ... + 8170.

It is an arithmetic number, because the mean of its divisors is an integer number (661932).

Almost surely, 210193890 is an apocalyptic number.

10193890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10193890 is an abundant number, since it is smaller than the sum of its proper divisors (10987934).

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

10193890 is a wasteful number, since it uses less digits than its factorization.

10193890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 10193890 is about 3192.7871836375. The cubic root of 10193890 is about 216.8269766906.

The spelling of 10193890 in words is "ten million, one hundred ninety-three thousand, eight hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 107 214 535 749 1070 1361 1498 2722 3745 6805 7490 9527 13610 19054 47635 95270 145627 291254 728135 1019389 1456270 2038778 5096945 10193890