Search a number
-
+
29012388 = 22312719037
BaseRepresentation
bin110111010101…
…1000110100100
32000120222111220
41232223012210
524411344023
62513500340
7501413136
oct156530644
960528456
1029012388
1115416489
1298716b0
13601a5c2
143bd3056
1528313e3
hex1bab1a4

29012388 has 24 divisors (see below), whose sum is σ = 68232192. Its totient is φ = 9594144.

The previous prime is 29012381. The next prime is 29012419. The reversal of 29012388 is 88321092.

It is not an unprimeable number, because it can be changed into a prime (29012381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7995 + ... + 11042.

It is an arithmetic number, because the mean of its divisors is an integer number (2843008).

Almost surely, 229012388 is an apocalyptic number.

It is an amenable number.

29012388 is an abundant number, since it is smaller than the sum of its proper divisors (39219804).

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

29012388 is a wasteful number, since it uses less digits than its factorization.

29012388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19171 (or 19169 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 29012388 is about 5386.3148812523. The cubic root of 29012388 is about 307.2754233074.

The spelling of 29012388 in words is "twenty-nine million, twelve thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 12 127 254 381 508 762 1524 19037 38074 57111 76148 114222 228444 2417699 4835398 7253097 9670796 14506194 29012388