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212674122 = 23257720477
BaseRepresentation
bin11001010110100…
…10011001001010
3112211011222001100
430223102121022
5413421032442
633034202230
75161462113
oct1453223112
9484158040
10212674122
11aa05a241
125b283376
13350a409b
142036120a
1513a0e84c
hexcad264a

212674122 has 24 divisors (see below), whose sum is σ = 461615076. Its totient is φ = 70765056.

The previous prime is 212674117. The next prime is 212674141. The reversal of 212674122 is 221476212.

It can be written as a sum of positive squares in 2 ways, for example, as 163098441 + 49575681 = 12771^2 + 7041^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 148 + ... + 20624.

Almost surely, 2212674122 is an apocalyptic number.

212674122 is an abundant number, since it is smaller than the sum of its proper divisors (248940954).

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

212674122 is a wasteful number, since it uses less digits than its factorization.

212674122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21062 (or 21059 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 212674122 is about 14583.3508495133. The cubic root of 212674122 is about 596.9045410194.

The spelling of 212674122 in words is "two hundred twelve million, six hundred seventy-four thousand, one hundred twenty-two".

Divisors: 1 2 3 6 9 18 577 1154 1731 3462 5193 10386 20477 40954 61431 122862 184293 368586 11815229 23630458 35445687 70891374 106337061 212674122