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210422231 = 2913952201
BaseRepresentation
bin11001000101011…
…00100111010111
3112122221120000222
430202230213113
5412332002411
632514024555
75133362615
oct1442544727
9478846028
10210422231
11a8861378
125a57815b
13347960c6
141dd366b5
15137174db
hexc8ac9d7

210422231 has 8 divisors (see below), whose sum is σ = 219248400. Its totient is φ = 201700800.

The previous prime is 210422227. The next prime is 210422237. The reversal of 210422231 is 132224012.

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

It is not a de Polignac number, because 210422231 - 22 = 210422227 is a prime.

It is a super-2 number, since 2×2104222312 = 88555030598034722, 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 (210422237) 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, 22070 + ... + 30131.

It is an arithmetic number, because the mean of its divisors is an integer number (27406050).

Almost surely, 2210422231 is an apocalyptic number.

210422231 is a deficient number, since it is larger than the sum of its proper divisors (8826169).

210422231 is a wasteful number, since it uses less digits than its factorization.

210422231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52369.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 210422231 is about 14505.9377842317. The cubic root of 210422231 is about 594.7902949525.

Adding to 210422231 its reverse (132224012), we get a palindrome (342646243).

The spelling of 210422231 in words is "two hundred ten million, four hundred twenty-two thousand, two hundred thirty-one".

Divisors: 1 29 139 4031 52201 1513829 7255939 210422231