Search a number
-
+
212190601 = 7125924077
BaseRepresentation
bin11001010010111…
…00010110001001
3112210021101210011
430221130112021
5413310044401
633015551521
75154406330
oct1451342611
9483241704
10212190601
11a9859a37
125b08b5a1
1334c64c8c
1420276d17
1513966451
hexca5c589

212190601 has 8 divisors (see below), whose sum is σ = 242706240. Its totient is φ = 181725648.

The previous prime is 212190577. The next prime is 212190611. The reversal of 212190601 is 106091212.

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 212190601 - 211 = 212188553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212190611) 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, 3226 + ... + 20851.

It is an arithmetic number, because the mean of its divisors is an integer number (30338280).

Almost surely, 2212190601 is an apocalyptic number.

It is an amenable number.

212190601 is a deficient number, since it is larger than the sum of its proper divisors (30515639).

212190601 is a wasteful number, since it uses less digits than its factorization.

212190601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25343.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 212190601 is about 14566.7635732856. The cubic root of 212190601 is about 596.4518376374.

The spelling of 212190601 in words is "two hundred twelve million, one hundred ninety thousand, six hundred one".

Divisors: 1 7 1259 8813 24077 168539 30312943 212190601