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212896884 = 22317741407
BaseRepresentation
bin11001011000010…
…00110001110100
3112211121021121210
430230020301310
5414000200014
633043041420
75163410424
oct1454106164
9484537553
10212896884
11aa1a1642
125b370270
13351515b5
14203bc484
1513a55859
hexcb08c74

212896884 has 12 divisors (see below), whose sum is σ = 496759424. Its totient is φ = 70965624.

The previous prime is 212896847. The next prime is 212896889. The reversal of 212896884 is 488698212.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212896889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8870692 + ... + 8870715.

Almost surely, 2212896884 is an apocalyptic number.

It is an amenable number.

212896884 is an abundant number, since it is smaller than the sum of its proper divisors (283862540).

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

212896884 is a wasteful number, since it uses less digits than its factorization.

212896884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17741414 (or 17741412 counting only the distinct ones).

The product of its digits is 442368, while the sum is 48.

The square root of 212896884 is about 14590.9863957170. The cubic root of 212896884 is about 597.1128742355.

The spelling of 212896884 in words is "two hundred twelve million, eight hundred ninety-six thousand, eight hundred eighty-four".

Divisors: 1 2 3 4 6 12 17741407 35482814 53224221 70965628 106448442 212896884