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42949212 = 22328312647
BaseRepresentation
bin1010001111010…
…1101001011100
32222211001020120
42203311221130
541443333322
64132314540
71031030235
oct243655134
988731216
1042949212
1122275419
1212472a50
138b8a047
1459c008c
153b85a5c
hex28f5a5c

42949212 has 24 divisors (see below), whose sum is σ = 100576896. Its totient is φ = 14264688.

The previous prime is 42949199. The next prime is 42949223. The reversal of 42949212 is 21294924.

It is a super-2 number, since 2×429492122 = 3689269622841888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2928 + ... + 9719.

It is an arithmetic number, because the mean of its divisors is an integer number (4190704).

Almost surely, 242949212 is an apocalyptic number.

It is an amenable number.

42949212 is an abundant number, since it is smaller than the sum of its proper divisors (57627684).

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

42949212 is a wasteful number, since it uses less digits than its factorization.

42949212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12937 (or 12935 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 42949212 is about 6553.5648314486. The cubic root of 42949212 is about 350.2018210162.

The spelling of 42949212 in words is "forty-two million, nine hundred forty-nine thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 283 566 849 1132 1698 3396 12647 25294 37941 50588 75882 151764 3579101 7158202 10737303 14316404 21474606 42949212