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29277428 = 2247155731
BaseRepresentation
bin110111110101…
…1110011110100
32001002110002012
41233223303310
524443334203
62523303352
7503565635
oct157536364
961073065
1029277428
1115587624
12997ab58
1360b112b
143c6188c
152884bd8
hex1bebcf4

29277428 has 12 divisors (see below), whose sum is σ = 52325952. Its totient is φ = 14327160.

The previous prime is 29277407. The next prime is 29277433. The reversal of 29277428 is 82477292.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77678 + ... + 78053.

It is an arithmetic number, because the mean of its divisors is an integer number (4360496).

Almost surely, 229277428 is an apocalyptic number.

It is an amenable number.

29277428 is a deficient number, since it is larger than the sum of its proper divisors (23048524).

29277428 is a wasteful number, since it uses less digits than its factorization.

29277428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155782 (or 155780 counting only the distinct ones).

The product of its digits is 112896, while the sum is 41.

The square root of 29277428 is about 5410.8620385295. The cubic root of 29277428 is about 308.2082838093.

The spelling of 29277428 in words is "twenty-nine million, two hundred seventy-seven thousand, four hundred twenty-eight".

Divisors: 1 2 4 47 94 188 155731 311462 622924 7319357 14638714 29277428