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29263897 = 135342473
BaseRepresentation
bin110111110100…
…0100000011001
32001001202112001
41233220200121
524442421042
62523121001
7503511325
oct157504031
961052461
1029263897
1115578443
129973161
1360a7c20
143c5a985
152880bb7
hex1be8819

29263897 has 8 divisors (see below), whose sum is σ = 32110344. Its totient is φ = 26502528.

The previous prime is 29263867. The next prime is 29263901. The reversal of 29263897 is 79836292.

It can be written as a sum of positive squares in 4 ways, for example, as 491401 + 28772496 = 701^2 + 5364^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 29263897 - 27 = 29263769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29263837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20548 + ... + 21925.

It is an arithmetic number, because the mean of its divisors is an integer number (4013793).

Almost surely, 229263897 is an apocalyptic number.

It is an amenable number.

29263897 is a deficient number, since it is larger than the sum of its proper divisors (2846447).

29263897 is a wasteful number, since it uses less digits than its factorization.

29263897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42539.

The product of its digits is 326592, while the sum is 46.

The square root of 29263897 is about 5409.6115387336. The cubic root of 29263897 is about 308.1607954744.

The spelling of 29263897 in words is "twenty-nine million, two hundred sixty-three thousand, eight hundred ninety-seven".

Divisors: 1 13 53 689 42473 552149 2251069 29263897