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20070002 = 214967349
BaseRepresentation
bin100110010001…
…1111001110010
31101202122212102
41030203321302
520114220002
61554100402
7332410061
oct114437162
941678772
1020070002
1110368987
12687a702
134209254
1429461d8
151b66a02
hex1323e72

20070002 has 8 divisors (see below), whose sum is σ = 30307500. Its totient is φ = 9967504.

The previous prime is 20069999. The next prime is 20070031. The reversal of 20070002 is 20007002.

It can be written as a sum of positive squares in 2 ways, for example, as 13623481 + 6446521 = 3691^2 + 2539^2 .

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

It is an unprimeable number.

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, 33377 + ... + 33972.

Almost surely, 220070002 is an apocalyptic number.

20070002 is a deficient number, since it is larger than the sum of its proper divisors (10237498).

20070002 is a wasteful number, since it uses less digits than its factorization.

20070002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67500.

The product of its (nonzero) digits is 28, while the sum is 11.

The square root of 20070002 is about 4479.9555801369. The cubic root of 20070002 is about 271.7580839961.

Adding to 20070002 its reverse (20007002), we get a palindrome (40077004).

It can be divided in two parts, 2007000 and 2, that added together give a palindrome (2007002).

The spelling of 20070002 in words is "twenty million, seventy thousand, two".

Divisors: 1 2 149 298 67349 134698 10035001 20070002