Search a number
-
+
29972038 = 2137109387
BaseRepresentation
bin111001001010…
…1011001000110
32002101201220111
41302111121012
530133101123
62550223234
7512521015
oct162253106
962351814
1029972038
1115a11488
12a054b1a
136295345
143da2a7c
15297090d
hex1c95646

29972038 has 8 divisors (see below), whose sum is σ = 45286632. Its totient is φ = 14876496.

The previous prime is 29972027. The next prime is 29972069. The reversal of 29972038 is 83027992.

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

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, 54420 + ... + 54967.

It is an arithmetic number, because the mean of its divisors is an integer number (5660829).

Almost surely, 229972038 is an apocalyptic number.

29972038 is a deficient number, since it is larger than the sum of its proper divisors (15314594).

29972038 is a wasteful number, since it uses less digits than its factorization.

29972038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109526.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 29972038 is about 5474.6724102909. The cubic root of 29972038 is about 310.6266823250.

The spelling of 29972038 in words is "twenty-nine million, nine hundred seventy-two thousand, thirty-eight".

Divisors: 1 2 137 274 109387 218774 14986019 29972038