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10195990 = 2571131289
BaseRepresentation
bin100110111001…
…010000010110
3201012000021021
4212321100112
510102232430
61002311354
7152443630
oct46712026
921160237
1010195990
115834442
1234b855a
13215cb3c
1414d5a50
15d6607a
hex9b9416

10195990 has 32 divisors (see below), whose sum is σ = 21176640. Its totient is φ = 3462144.

The previous prime is 10195963. The next prime is 10196009. The reversal of 10195990 is 9959101.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 7266 + ... + 8554.

It is an arithmetic number, because the mean of its divisors is an integer number (661770).

Almost surely, 210195990 is an apocalyptic number.

10195990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10195990 is an abundant number, since it is smaller than the sum of its proper divisors (10980650).

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

10195990 is a wasteful number, since it uses less digits than its factorization.

10195990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416.

The product of its (nonzero) digits is 3645, while the sum is 34.

The square root of 10195990 is about 3193.1160329684. The cubic root of 10195990 is about 216.8418648699.

The spelling of 10195990 in words is "ten million, one hundred ninety-five thousand, nine hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 113 226 565 791 1130 1289 1582 2578 3955 6445 7910 9023 12890 18046 45115 90230 145657 291314 728285 1019599 1456570 2039198 5097995 10195990