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29934839 = 114436143
BaseRepresentation
bin111001000110…
…0010011110111
32002022211212202
41302030103313
530130403324
62545335115
7512304404
oct162142367
962284782
1029934839
1115996540
12a03749b
13628142c
143d932ab
1529648ae
hex1c8c4f7

29934839 has 8 divisors (see below), whose sum is σ = 32735232. Its totient is φ = 27147640.

The previous prime is 29934833. The next prime is 29934847. The reversal of 29934839 is 93843992.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29934839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29934793 and 29934802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29934833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1802 + ... + 7944.

It is an arithmetic number, because the mean of its divisors is an integer number (4091904).

Almost surely, 229934839 is an apocalyptic number.

29934839 is a deficient number, since it is larger than the sum of its proper divisors (2800393).

29934839 is a wasteful number, since it uses less digits than its factorization.

29934839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6597.

The product of its digits is 419904, while the sum is 47.

The square root of 29934839 is about 5471.2739832693. The cubic root of 29934839 is about 310.4981204340.

The spelling of 29934839 in words is "twenty-nine million, nine hundred thirty-four thousand, eight hundred thirty-nine".

Divisors: 1 11 443 4873 6143 67573 2721349 29934839