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29457425 = 521178297
BaseRepresentation
bin111000001011…
…1110000010001
32001102120222202
41300113300101
530020114200
62531212545
7505245464
oct160276021
961376882
1029457425
111569a888
129a47155
13614503a
143cab2db
1528bd1d5
hex1c17c11

29457425 has 6 divisors (see below), whose sum is σ = 36527238. Its totient is φ = 23565920.

The previous prime is 29457401. The next prime is 29457427. The reversal of 29457425 is 52475492.

It can be written as a sum of positive squares in 3 ways, for example, as 802816 + 28654609 = 896^2 + 5353^2 .

It is not a de Polignac number, because 29457425 - 26 = 29457361 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (29457427) 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 5 ways as a sum of consecutive naturals, for example, 589124 + ... + 589173.

It is an arithmetic number, because the mean of its divisors is an integer number (6087873).

Almost surely, 229457425 is an apocalyptic number.

29457425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

29457425 is a deficient number, since it is larger than the sum of its proper divisors (7069813).

29457425 is a wasteful number, since it uses less digits than its factorization.

29457425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178307 (or 1178302 counting only the distinct ones).

The product of its digits is 100800, while the sum is 38.

The square root of 29457425 is about 5427.4694840229. The cubic root of 29457425 is about 308.8386131266.

The spelling of 29457425 in words is "twenty-nine million, four hundred fifty-seven thousand, four hundred twenty-five".

Divisors: 1 5 25 1178297 5891485 29457425