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8164212 = 2237831171
BaseRepresentation
bin11111001001001101110100
3120100210012020
4133021031310
54042223322
6450553140
7126252240
oct37111564
916323166
108164212
114676991
1228987b0
1318cb0c4
141127420
15ab405c
hex7c9374

8164212 has 48 divisors (see below), whose sum is σ = 22052352. Its totient is φ = 2302560.

The previous prime is 8164201. The next prime is 8164213. The reversal of 8164212 is 2124618.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8164213) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6387 + ... + 7557.

It is an arithmetic number, because the mean of its divisors is an integer number (459424).

Almost surely, 28164212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8164212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11026176).

8164212 is an abundant number, since it is smaller than the sum of its proper divisors (13888140).

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

8164212 is a wasteful number, since it uses less digits than its factorization.

8164212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268 (or 1266 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

The square root of 8164212 is about 2857.3085237685. The cubic root of 8164212 is about 201.3591756175.

The spelling of 8164212 in words is "eight million, one hundred sixty-four thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 83 84 166 249 332 498 581 996 1162 1171 1743 2324 2342 3486 3513 4684 6972 7026 8197 14052 16394 24591 32788 49182 97193 98364 194386 291579 388772 583158 680351 1166316 1360702 2041053 2721404 4082106 8164212