Search a number
-
+
29328507 = 331383557
BaseRepresentation
bin110111111100…
…0010001111011
32001012001011000
41233320101323
530002003012
62524340043
7504200565
oct157702173
961161130
1029328507
1115611a3a
1299a4623
1360cb460
143c76335
152894ddc
hex1bf847b

29328507 has 16 divisors (see below), whose sum is σ = 46792480. Its totient is φ = 18048096.

The previous prime is 29328503. The next prime is 29328527. The reversal of 29328507 is 70582392.

It is a happy number.

It is not a de Polignac number, because 29328507 - 22 = 29328503 is a prime.

It is a super-2 number, since 2×293285072 = 1720322645698098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29328503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41428 + ... + 42129.

It is an arithmetic number, because the mean of its divisors is an integer number (2924530).

Almost surely, 229328507 is an apocalyptic number.

29328507 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

29328507 is a deficient number, since it is larger than the sum of its proper divisors (17463973).

29328507 is a wasteful number, since it uses less digits than its factorization.

29328507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83579 (or 83573 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 29328507 is about 5415.5800243372. The cubic root of 29328507 is about 308.3874186755.

The spelling of 29328507 in words is "twenty-nine million, three hundred twenty-eight thousand, five hundred seven".

Divisors: 1 3 9 13 27 39 117 351 83557 250671 752013 1086241 2256039 3258723 9776169 29328507