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29228825 = 5210311351
BaseRepresentation
bin110111101111…
…1111100011001
32000222222102002
41233133330121
524440310300
62522250345
7503304143
oct157377431
960888362
1029228825
111555405a
1299569b5
136094c82
143c4bc93
1528755d5
hex1bdff19

29228825 has 12 divisors (see below), whose sum is σ = 36598848. Its totient is φ = 23154000.

The previous prime is 29228819. The next prime is 29228861. The reversal of 29228825 is 52882292.

It is not a de Polignac number, because 29228825 - 24 = 29228809 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3101 + ... + 8250.

It is an arithmetic number, because the mean of its divisors is an integer number (3049904).

Almost surely, 229228825 is an apocalyptic number.

29228825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

29228825 is a deficient number, since it is larger than the sum of its proper divisors (7370023).

29228825 is a wasteful number, since it uses less digits than its factorization.

29228825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11464 (or 11459 counting only the distinct ones).

The product of its digits is 46080, while the sum is 38.

The square root of 29228825 is about 5406.3689293277. The cubic root of 29228825 is about 308.0376387633.

The spelling of 29228825 in words is "twenty-nine million, two hundred twenty-eight thousand, eight hundred twenty-five".

Divisors: 1 5 25 103 515 2575 11351 56755 283775 1169153 5845765 29228825