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10121382 = 233187433
BaseRepresentation
bin100110100111…
…000010100110
3201001012221000
4212213002212
510042341012
61000534130
7152013255
oct46470246
921035830
1010121382
115793387
123481346
132134bab
1414b679c
15d4dddc
hex9a70a6

10121382 has 16 divisors (see below), whose sum is σ = 22492080. Its totient is φ = 3373776.

The previous prime is 10121359. The next prime is 10121393. The reversal of 10121382 is 28312101.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 7 ways as a sum of consecutive naturals, for example, 93663 + ... + 93770.

It is an arithmetic number, because the mean of its divisors is an integer number (1405755).

Almost surely, 210121382 is an apocalyptic number.

10121382 is an abundant number, since it is smaller than the sum of its proper divisors (12370698).

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

10121382 is a wasteful number, since it uses less digits than its factorization.

10121382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187444 (or 187438 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 10121382 is about 3181.4119506911. The cubic root of 10121382 is about 216.3116642839.

Adding to 10121382 its reverse (28312101), we get a palindrome (38433483).

The spelling of 10121382 in words is "ten million, one hundred twenty-one thousand, three hundred eighty-two".

Divisors: 1 2 3 6 9 18 27 54 187433 374866 562299 1124598 1686897 3373794 5060691 10121382