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29943982 = 2471572029
BaseRepresentation
bin111001000111…
…0100010101110
32002100022102101
41302032202232
530131201412
62545445314
7512343145
oct162164256
962308371
1029943982
11159a23a2
12a04083a
136285643
143d9675c
152967457
hex1c8e8ae

29943982 has 16 divisors (see below), whose sum is σ = 46186560. Its totient is φ = 14552928.

The previous prime is 29943973. The next prime is 29944003. The reversal of 29943982 is 28934992.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 13744 + ... + 15772.

It is an arithmetic number, because the mean of its divisors is an integer number (2886660).

Almost surely, 229943982 is an apocalyptic number.

29943982 is a deficient number, since it is larger than the sum of its proper divisors (16242578).

29943982 is a wasteful number, since it uses less digits than its factorization.

29943982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2235.

The product of its digits is 279936, while the sum is 46.

The square root of 29943982 is about 5472.1094652794. The cubic root of 29943982 is about 310.5297290371.

The spelling of 29943982 in words is "twenty-nine million, nine hundred forty-three thousand, nine hundred eighty-two".

Divisors: 1 2 47 94 157 314 2029 4058 7379 14758 95363 190726 318553 637106 14971991 29943982