Search a number
-
+
29481982 = 2136110831
BaseRepresentation
bin111000001110…
…1101111111110
32001110211200021
41300131233332
530021410412
62531522354
7505410205
oct160355776
961424607
1029481982
1115707282
129a593ba
13615327a
143cb623c
1528c5607
hex1c1dbfe

29481982 has 8 divisors (see below), whose sum is σ = 44259552. Its totient is φ = 14728800.

The previous prime is 29481979. The next prime is 29481983. The reversal of 29481982 is 28918492.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29481983) by changing a digit.

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, 2694 + ... + 8137.

It is an arithmetic number, because the mean of its divisors is an integer number (5532444).

Almost surely, 229481982 is an apocalyptic number.

29481982 is a deficient number, since it is larger than the sum of its proper divisors (14777570).

29481982 is a wasteful number, since it uses less digits than its factorization.

29481982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12194.

The product of its digits is 82944, while the sum is 43.

The square root of 29481982 is about 5429.7313009025. The cubic root of 29481982 is about 308.9244097557.

The spelling of 29481982 in words is "twenty-nine million, four hundred eighty-one thousand, nine hundred eighty-two".

Divisors: 1 2 1361 2722 10831 21662 14740991 29481982