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29020159 = 74145737
BaseRepresentation
bin110111010110…
…0111111111111
32000121101011201
41232230333333
524412121114
62514000331
7501444610
oct156547777
960541151
1029020159
1115421303
1298760a7
136020cbc
143bd5c07
152833874
hex1bacfff

29020159 has 4 divisors (see below), whose sum is σ = 33165904. Its totient is φ = 24874416.

The previous prime is 29020157. The next prime is 29020193. The reversal of 29020159 is 95102092.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 29020159 - 21 = 29020157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29020151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2072862 + ... + 2072875.

It is an arithmetic number, because the mean of its divisors is an integer number (8291476).

Almost surely, 229020159 is an apocalyptic number.

29020159 is a deficient number, since it is larger than the sum of its proper divisors (4145745).

29020159 is an equidigital number, since it uses as much as digits as its factorization.

29020159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4145744.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 29020159 is about 5387.0361981334. The cubic root of 29020159 is about 307.3028555448.

It can be divided in two parts, 290 and 20159, that added together give a square (20449 = 1432).

The spelling of 29020159 in words is "twenty-nine million, twenty thousand, one hundred fifty-nine".

Divisors: 1 7 4145737 29020159