Search a number
-
+
212103401 = 239795071
BaseRepresentation
bin11001010010001…
…11000011101001
3112210002222011112
430221013003221
5413244302101
633014040105
75153564156
oct1451070351
9483088145
10212103401
11a97aa474
125b049035
1334c34393
142025322d
151394a6bb
hexca470e9

212103401 has 8 divisors (see below), whose sum is σ = 223609344. Its totient is φ = 200787840.

The previous prime is 212103383. The next prime is 212103413. The reversal of 212103401 is 104301212.

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

It is a cyclic number.

It is not a de Polignac number, because 212103401 - 226 = 144994537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212103431) 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 7 ways as a sum of consecutive naturals, for example, 45305 + ... + 49766.

It is an arithmetic number, because the mean of its divisors is an integer number (27951168).

Almost surely, 2212103401 is an apocalyptic number.

It is an amenable number.

212103401 is a deficient number, since it is larger than the sum of its proper divisors (11505943).

212103401 is an equidigital number, since it uses as much as digits as its factorization.

212103401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95191.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 212103401 is about 14563.7701506169. The cubic root of 212103401 is about 596.3701222264.

Adding to 212103401 its reverse (104301212), we get a palindrome (316404613).

The spelling of 212103401 in words is "two hundred twelve million, one hundred three thousand, four hundred one".

Divisors: 1 23 97 2231 95071 2186633 9221887 212103401