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29071553 = 72593297
BaseRepresentation
bin110111011100…
…1100011000001
32000200222200012
41232321203001
524420242203
62515034305
7502050500
oct156714301
960628605
1029071553
1115456985
12989b995
13603b504
143c0a837
152843bd8
hex1bb98c1

29071553 has 6 divisors (see below), whose sum is σ = 33817986. Its totient is φ = 24918432.

The previous prime is 29071541. The next prime is 29071561. The reversal of 29071553 is 35517092.

It can be written as a sum of positive squares in only one way, i.e., 28976689 + 94864 = 5383^2 + 308^2 .

It is not a de Polignac number, because 29071553 - 26 = 29071489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29071153) 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 5 ways as a sum of consecutive naturals, for example, 296600 + ... + 296697.

It is an arithmetic number, because the mean of its divisors is an integer number (5636331).

Almost surely, 229071553 is an apocalyptic number.

It is an amenable number.

29071553 is a deficient number, since it is larger than the sum of its proper divisors (4746433).

29071553 is an equidigital number, since it uses as much as digits as its factorization.

29071553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593311 (or 593304 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 29071553 is about 5391.8042434792. The cubic root of 29071553 is about 307.4841572026.

The spelling of 29071553 in words is "twenty-nine million, seventy-one thousand, five hundred fifty-three".

Divisors: 1 7 49 593297 4153079 29071553