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210132031 = 1934792273
BaseRepresentation
bin11001000011001…
…01110000111111
3112122101210221211
430201211300333
5412243211111
632503505251
75131043554
oct1441456077
9478353854
10210132031
11a868333a
125a458227
13346c3ca5
141dc9ca2b
15136ab521
hexc865c3f

210132031 has 8 divisors (see below), whose sum is σ = 211754880. Its totient is φ = 208515072.

The previous prime is 210132029. The next prime is 210132037. The reversal of 210132031 is 130231012.

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 210132031 - 21 = 210132029 is a prime.

It is a super-2 number, since 2×2101320312 = 88310940904369922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210132037) 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, 91311 + ... + 93583.

It is an arithmetic number, because the mean of its divisors is an integer number (26469360).

Almost surely, 2210132031 is an apocalyptic number.

210132031 is a deficient number, since it is larger than the sum of its proper divisors (1622849).

210132031 is a wasteful number, since it uses less digits than its factorization.

210132031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2945.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 210132031 is about 14495.9315326750. The cubic root of 210132031 is about 594.5167377442.

Adding to 210132031 its reverse (130231012), we get a palindrome (340363043).

The spelling of 210132031 in words is "two hundred ten million, one hundred thirty-two thousand, thirty-one".

Divisors: 1 193 479 2273 92447 438689 1088767 210132031