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29293928 = 233739817
BaseRepresentation
bin110111110111…
…1110101101000
32001010021201022
41233233311220
524444401203
62523512012
7503665016
oct157576550
961107638
1029293928
1115598a64
129988608
1360b87b1
143c678b6
152889a38
hex1befd68

29293928 has 16 divisors (see below), whose sum is σ = 55078980. Its totient is φ = 14606208.

The previous prime is 29293919. The next prime is 29293963. The reversal of 29293928 is 82939292.

It can be written as a sum of positive squares in 2 ways, for example, as 25381444 + 3912484 = 5038^2 + 1978^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1925 + ... + 7892.

Almost surely, 229293928 is an apocalyptic number.

It is an amenable number.

29293928 is a deficient number, since it is larger than the sum of its proper divisors (25785052).

29293928 is a wasteful number, since it uses less digits than its factorization.

29293928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10196 (or 10192 counting only the distinct ones).

The product of its digits is 139968, while the sum is 44.

The square root of 29293928 is about 5412.3865346074. The cubic root of 29293928 is about 308.2661723374.

The spelling of 29293928 in words is "twenty-nine million, two hundred ninety-three thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 373 746 1492 2984 9817 19634 39268 78536 3661741 7323482 14646964 29293928