Search a number
-
+
29672628 = 2232472719
BaseRepresentation
bin111000100110…
…0010010110100
32001211112012020
41301030102310
530044011003
62535553140
7510133056
oct161142264
961745166
1029672628
1115827537
129b2b7b0
1361bbc8b
143d258d6
152911d53
hex1c4c4b4

29672628 has 12 divisors (see below), whose sum is σ = 69236160. Its totient is φ = 9890872.

The previous prime is 29672627. The next prime is 29672641. The reversal of 29672628 is 82627692.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 29672628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29672627) 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 3 ways as a sum of consecutive naturals, for example, 1236348 + ... + 1236371.

It is an arithmetic number, because the mean of its divisors is an integer number (5769680).

Almost surely, 229672628 is an apocalyptic number.

It is an amenable number.

29672628 is an abundant number, since it is smaller than the sum of its proper divisors (39563532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29672628 is a wasteful number, since it uses less digits than its factorization.

29672628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2472726 (or 2472724 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 29672628 is about 5447.2587601472. The cubic root of 29672628 is about 309.5888687917.

The spelling of 29672628 in words is "twenty-nine million, six hundred seventy-two thousand, six hundred twenty-eight".

Divisors: 1 2 3 4 6 12 2472719 4945438 7418157 9890876 14836314 29672628