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211552153 = 3129323291
BaseRepresentation
bin11001001110000…
…00011110011001
3112202001221222221
430213000132121
5413124132103
632554144041
75146110061
oct1447003631
9482057887
10211552153
11a946329a
125aa22021
1334aa04b7
142014c3a1
151388c1bd
hexc9c0799

211552153 has 8 divisors (see below), whose sum is σ = 219131136. Its totient is φ = 204020400.

The previous prime is 211552151. The next prime is 211552163. The reversal of 211552153 is 351255112.

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 211552153 - 21 = 211552151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211552151) 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, 2563 + ... + 20728.

It is an arithmetic number, because the mean of its divisors is an integer number (27391392).

Almost surely, 2211552153 is an apocalyptic number.

It is an amenable number.

211552153 is a deficient number, since it is larger than the sum of its proper divisors (7578983).

211552153 is a wasteful number, since it uses less digits than its factorization.

211552153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23615.

The product of its digits is 1500, while the sum is 25.

The square root of 211552153 is about 14544.8325188020. The cubic root of 211552153 is about 595.8530268723.

The spelling of 211552153 in words is "two hundred eleven million, five hundred fifty-two thousand, one hundred fifty-three".

Divisors: 1 31 293 9083 23291 722021 6824263 211552153