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210532145 = 5213119759
BaseRepresentation
bin11001000110001…
…11011100110001
3112200011010210212
430203013130301
5412344012040
632520233505
75134331225
oct1443073461
9480133725
10210532145
11a8926a0a
125a60b895
1334804145
141dd64785
1513739d65
hexc8c7731

210532145 has 8 divisors (see below), whose sum is σ = 252769920. Its totient is φ = 168338160.

The previous prime is 210532139. The next prime is 210532151. The reversal of 210532145 is 541235012.

210532145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (210532139) and next prime (210532151).

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

It is not a de Polignac number, because 210532145 - 216 = 210466609 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 210532145.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 776 + ... + 20534.

It is an arithmetic number, because the mean of its divisors is an integer number (31596240).

Almost surely, 2210532145 is an apocalyptic number.

It is an amenable number.

210532145 is a deficient number, since it is larger than the sum of its proper divisors (42237775).

210532145 is a wasteful number, since it uses less digits than its factorization.

210532145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21895.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 210532145 is about 14509.7258761150. The cubic root of 210532145 is about 594.8938397799.

Adding to 210532145 its reverse (541235012), we get a palindrome (751767157).

The spelling of 210532145 in words is "two hundred ten million, five hundred thirty-two thousand, one hundred forty-five".

Divisors: 1 5 2131 10655 19759 98795 42106429 210532145