Search a number
-
+
10163988 = 223394111
BaseRepresentation
bin100110110001…
…011100010100
3201010101101000
4212301130110
510100221423
61001503300
7152251422
oct46613424
921111330
1010163988
11581239a
1234a1b30
13214b3c3
1414c8112
15d5b843
hex9b1714

10163988 has 24 divisors (see below), whose sum is σ = 26351360. Its totient is φ = 3387960.

The previous prime is 10163987. The next prime is 10164019. The reversal of 10163988 is 88936101.

10163988 is a `hidden beast` number, since 10 + 1 + 639 + 8 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10163981) by changing a digit.

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, 46948 + ... + 47163.

Almost surely, 210163988 is an apocalyptic number.

10163988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

10163988 is an abundant number, since it is smaller than the sum of its proper divisors (16187372).

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

10163988 is a wasteful number, since it uses less digits than its factorization.

10163988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94124 (or 94116 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 10163988 is about 3188.1010021641. The cubic root of 10163988 is about 216.6147610048.

The spelling of 10163988 in words is "ten million, one hundred sixty-three thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 94111 188222 282333 376444 564666 846999 1129332 1693998 2540997 3387996 5081994 10163988