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29743938 = 2327236063
BaseRepresentation
bin111000101110…
…1101101000010
32001222011000100
41301131231002
530103301223
62541303230
7510551010
oct161355502
961864010
1029743938
1115876074
129b64b16
136215583
143d438b0
152928043
hex1c5db42

29743938 has 24 divisors (see below), whose sum is σ = 73651968. Its totient is φ = 8498232.

The previous prime is 29743927. The next prime is 29743939. The reversal of 29743938 is 83934792.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 29743893 and 29743902.

It is not an unprimeable number, because it can be changed into a prime (29743939) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 117906 + ... + 118157.

It is an arithmetic number, because the mean of its divisors is an integer number (3068832).

Almost surely, 229743938 is an apocalyptic number.

29743938 is an abundant number, since it is smaller than the sum of its proper divisors (43908030).

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

29743938 is a wasteful number, since it uses less digits than its factorization.

29743938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236078 (or 236075 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 29743938 is about 5453.8003263779. The cubic root of 29743938 is about 309.8366742849.

The spelling of 29743938 in words is "twenty-nine million, seven hundred forty-three thousand, nine hundred thirty-eight".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 236063 472126 708189 1416378 1652441 2124567 3304882 4249134 4957323 9914646 14871969 29743938