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20924002 = 211951091
BaseRepresentation
bin100111111010…
…0011001100010
31110101001100001
41033310121202
520324032002
62024250214
7342564631
oct117643142
943331301
1020924002
11108a1570
12701096a
134447b88
142ac9518
151c84a87
hex13f4662

20924002 has 8 divisors (see below), whose sum is σ = 34239312. Its totient is φ = 9510900.

The previous prime is 20923999. The next prime is 20924003. The reversal of 20924002 is 20042902.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20924003) 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 3 ways as a sum of consecutive naturals, for example, 475524 + ... + 475567.

It is an arithmetic number, because the mean of its divisors is an integer number (4279914).

Almost surely, 220924002 is an apocalyptic number.

20924002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20924002 is a deficient number, since it is larger than the sum of its proper divisors (13315310).

20924002 is a wasteful number, since it uses less digits than its factorization.

20924002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951104.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 20924002 is about 4574.2761175950. The cubic root of 20924002 is about 275.5592015093.

Adding to 20924002 its reverse (20042902), we get a palindrome (40966904).

The spelling of 20924002 in words is "twenty million, nine hundred twenty-four thousand, two".

Divisors: 1 2 11 22 951091 1902182 10462001 20924002