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212103502 = 2138157827
BaseRepresentation
bin11001010010001…
…11000101001110
3112210002222022021
430221013011032
5413244303002
633014040354
75153564362
oct1451070516
9483088267
10212103502
11a97aa556
125b0490ba
1334c34440
14202532a2
151394a737
hexca4714e

212103502 has 8 divisors (see below), whose sum is σ = 342628776. Its totient is φ = 97893912.

The previous prime is 212103431. The next prime is 212103523. The reversal of 212103502 is 205301212.

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

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, 4078888 + ... + 4078939.

It is an arithmetic number, because the mean of its divisors is an integer number (42828597).

Almost surely, 2212103502 is an apocalyptic number.

212103502 is a deficient number, since it is larger than the sum of its proper divisors (130525274).

212103502 is a wasteful number, since it uses less digits than its factorization.

212103502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8157842.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 212103502 is about 14563.7736181252. The cubic root of 212103502 is about 596.3702168868.

Adding to 212103502 its reverse (205301212), we get a palindrome (417404714).

The spelling of 212103502 in words is "two hundred twelve million, one hundred three thousand, five hundred two".

Divisors: 1 2 13 26 8157827 16315654 106051751 212103502