Search a number
-
+
29925423 = 3311175927
BaseRepresentation
bin111001000101…
…0000000101111
32002022100222000
41302022000233
530130103143
62545223343
7512235063
oct162120057
962270860
1029925423
111598a460
12a031b53
13627a068
143d8daa3
152961bd3
hex1c8a02f

29925423 has 32 divisors (see below), whose sum is σ = 51217920. Its totient is φ = 17066880.

The previous prime is 29925403. The next prime is 29925433. The reversal of 29925423 is 32452992.

29925423 is a `hidden beast` number, since 29 + 92 + 542 + 3 = 666.

It is not a de Polignac number, because 29925423 - 28 = 29925167 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29925403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2086 + ... + 8012.

It is an arithmetic number, because the mean of its divisors is an integer number (1600560).

Almost surely, 229925423 is an apocalyptic number.

29925423 is a deficient number, since it is larger than the sum of its proper divisors (21292497).

29925423 is a wasteful number, since it uses less digits than its factorization.

29925423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5964 (or 5958 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 29925423 is about 5470.4134213056. The cubic root of 29925423 is about 310.4655613045.

The spelling of 29925423 in words is "twenty-nine million, nine hundred twenty-five thousand, four hundred twenty-three".

Divisors: 1 3 9 11 17 27 33 51 99 153 187 297 459 561 1683 5049 5927 17781 53343 65197 100759 160029 195591 302277 586773 906831 1108349 1760319 2720493 3325047 9975141 29925423