Search a number
-
+
212239153 = 752357973
BaseRepresentation
bin11001010011010…
…00001100110001
3112210100212101101
430221220030301
5413313123103
633021004401
75155001020
oct1451501461
9483325341
10212239153
11a9892465
125b0b3701
1334c810c9
142028a8b7
1513975a1d
hexca68331

212239153 has 8 divisors (see below), whose sum is σ = 243027008. Its totient is φ = 181568304.

The previous prime is 212239133. The next prime is 212239207. The reversal of 212239153 is 351932212.

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 212239153 - 25 = 212239121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212239133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25326 + ... + 32647.

It is an arithmetic number, because the mean of its divisors is an integer number (30378376).

Almost surely, 2212239153 is an apocalyptic number.

It is an amenable number.

212239153 is a deficient number, since it is larger than the sum of its proper divisors (30787855).

212239153 is an equidigital number, since it uses as much as digits as its factorization.

212239153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58503.

The product of its digits is 3240, while the sum is 28.

The square root of 212239153 is about 14568.4300115009. The cubic root of 212239153 is about 596.4973261762.

The spelling of 212239153 in words is "two hundred twelve million, two hundred thirty-nine thousand, one hundred fifty-three".

Divisors: 1 7 523 3661 57973 405811 30319879 212239153