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29678424 = 2334130161
BaseRepresentation
bin111000100110…
…1101101011000
32001211211010220
41301031231120
530044202144
62540040040
7510156006
oct161155530
961754126
1029678424
1115830926
129b33020
1361c17c9
143d27a76
152913919
hex1c4db58

29678424 has 32 divisors (see below), whose sum is σ = 76008240. Its totient is φ = 9651200.

The previous prime is 29678417. The next prime is 29678449. The reversal of 29678424 is 42487692.

It is a super-2 number, since 2×296784242 = 1761617702247552, which contains 22 as substring.

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, 14097 + ... + 16064.

Almost surely, 229678424 is an apocalyptic number.

29678424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

29678424 is an abundant number, since it is smaller than the sum of its proper divisors (46329816).

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

29678424 is a wasteful number, since it uses less digits than its factorization.

29678424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30211 (or 30207 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 29678424 is about 5447.7907448800. The cubic root of 29678424 is about 309.6090249691.

The spelling of 29678424 in words is "twenty-nine million, six hundred seventy-eight thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 24 41 82 123 164 246 328 492 984 30161 60322 90483 120644 180966 241288 361932 723864 1236601 2473202 3709803 4946404 7419606 9892808 14839212 29678424