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212486466 = 232312231259
BaseRepresentation
bin11001010101001…
…00100101000010
3112210211102122010
430222210211002
5413344031331
633030153350
75160051033
oct1452444502
9483742563
10212486466
11a9a41255
125b1b2856
133503984a
1420312a8a
15139c3e46
hexcaa4942

212486466 has 32 divisors (see below), whose sum is σ = 444165120. Its totient is φ = 67640144.

The previous prime is 212486459. The next prime is 212486467. The reversal of 212486466 is 664684212.

It is not an unprimeable number, because it can be changed into a prime (212486467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168145 + ... + 169403.

It is an arithmetic number, because the mean of its divisors is an integer number (13880160).

Almost surely, 2212486466 is an apocalyptic number.

212486466 is an abundant number, since it is smaller than the sum of its proper divisors (231678654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212486466 is a wasteful number, since it uses less digits than its factorization.

212486466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2510.

The product of its digits is 110592, while the sum is 39.

The square root of 212486466 is about 14576.9155173514. The cubic root of 212486466 is about 596.7289269876.

The spelling of 212486466 in words is "two hundred twelve million, four hundred eighty-six thousand, four hundred sixty-six".

Divisors: 1 2 3 6 23 46 69 138 1223 1259 2446 2518 3669 3777 7338 7554 28129 28957 56258 57914 84387 86871 168774 173742 1539757 3079514 4619271 9238542 35414411 70828822 106243233 212486466