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20248002 = 2332571459
BaseRepresentation
bin100110100111…
…1010111000010
31102002201001000
41031033113002
520140414002
62001552430
7334051035
oct115172702
942081030
1020248002
111047a695
126945716
13426c288
14299101c
151b9e61c
hex134f5c2

20248002 has 32 divisors (see below), whose sum is σ = 45201600. Its totient is φ = 6718464.

The previous prime is 20248001. The next prime is 20248009. The reversal of 20248002 is 20084202.

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

It is not an unprimeable number, because it can be changed into a prime (20248001) 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, 13149 + ... + 14607.

It is an arithmetic number, because the mean of its divisors is an integer number (1412550).

Almost surely, 220248002 is an apocalyptic number.

20248002 is an abundant number, since it is smaller than the sum of its proper divisors (24953598).

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

20248002 is a wasteful number, since it uses less digits than its factorization.

20248002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1727 (or 1721 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 20248002 is about 4499.7779945237. Note that the first 3 decimals coincide. The cubic root of 20248002 is about 272.5591241684.

The spelling of 20248002 in words is "twenty million, two hundred forty-eight thousand, two".

Divisors: 1 2 3 6 9 18 27 54 257 514 771 1459 1542 2313 2918 4377 4626 6939 8754 13131 13878 26262 39393 78786 374963 749926 1124889 2249778 3374667 6749334 10124001 20248002