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29039738 = 2713379421
BaseRepresentation
bin110111011000…
…1110001111010
32000122101000212
41232301301322
524413232423
62514231122
7501555650
oct156616172
960571025
1029039738
1115434a92
1298854a2
136029ba0
143bdcdd0
152839578
hex1bb1c7a

29039738 has 32 divisors (see below), whose sum is σ = 53880960. Its totient is φ = 11430720.

The previous prime is 29039737. The next prime is 29039807. The reversal of 29039738 is 83793092.

It is a super-4 number, since 4×290397384 (a number of 31 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 29039695 and 29039704.

It is not an unprimeable number, because it can be changed into a prime (29039737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68768 + ... + 69188.

It is an arithmetic number, because the mean of its divisors is an integer number (1683780).

Almost surely, 229039738 is an apocalyptic number.

29039738 is a deficient number, since it is larger than the sum of its proper divisors (24841222).

29039738 is a wasteful number, since it uses less digits than its factorization.

29039738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 29039738 is about 5388.8531247381. The cubic root of 29039738 is about 307.3719492396.

The spelling of 29039738 in words is "twenty-nine million, thirty-nine thousand, seven hundred thirty-eight".

Divisors: 1 2 7 13 14 26 91 182 379 421 758 842 2653 2947 4927 5306 5473 5894 9854 10946 34489 38311 68978 76622 159559 319118 1116913 2074267 2233826 4148534 14519869 29039738