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20100302 = 247213833
BaseRepresentation
bin100110010101…
…1010011001110
31101211012102122
41030223103032
520121202202
61554452542
7332564315
oct114532316
941735378
1020100302
1110389722
126894152
134219c91
14295327c
151b709a2
hex132b4ce

20100302 has 8 divisors (see below), whose sum is σ = 30792096. Its totient is φ = 9836272.

The previous prime is 20100299. The next prime is 20100317. The reversal of 20100302 is 20300102.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20100302.

It is a congruent number.

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, 106823 + ... + 107010.

It is an arithmetic number, because the mean of its divisors is an integer number (3849012).

Almost surely, 220100302 is an apocalyptic number.

20100302 is a deficient number, since it is larger than the sum of its proper divisors (10691794).

20100302 is a wasteful number, since it uses less digits than its factorization.

20100302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213882.

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 20100302 is about 4483.3360346956. The cubic root of 20100302 is about 271.8947743929.

Adding to 20100302 its reverse (20300102), we get a palindrome (40400404).

It can be divided in two parts, 20100 and 302, that added together give a palindrome (20402).

The spelling of 20100302 in words is "twenty million, one hundred thousand, three hundred two".

Divisors: 1 2 47 94 213833 427666 10050151 20100302