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29971294 = 2109137483
BaseRepresentation
bin111001001010…
…1001101011110
32002101200212221
41302111031132
530133040134
62550215554
7512515603
oct162251536
962350787
1029971294
1115a10971
12a0545ba
136294bc2
143da26aa
1529705b4
hex1c9535e

29971294 has 8 divisors (see below), whose sum is σ = 45369720. Its totient is φ = 14848056.

The previous prime is 29971267. The next prime is 29971339. The reversal of 29971294 is 49217992.

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

It is a super-3 number, since 3×299712943 (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 29971294.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68524 + ... + 68959.

It is an arithmetic number, because the mean of its divisors is an integer number (5671215).

Almost surely, 229971294 is an apocalyptic number.

29971294 is a deficient number, since it is larger than the sum of its proper divisors (15398426).

29971294 is a wasteful number, since it uses less digits than its factorization.

29971294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137594.

The product of its digits is 81648, while the sum is 43.

The square root of 29971294 is about 5474.6044605980. The cubic root of 29971294 is about 310.6241120609.

The spelling of 29971294 in words is "twenty-nine million, nine hundred seventy-one thousand, two hundred ninety-four".

Divisors: 1 2 109 218 137483 274966 14985647 29971294