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29142448 = 2429181347
BaseRepresentation
bin110111100101…
…0110110110000
32000211120220221
41233022312300
524430024243
62520342424
7502464256
oct157126660
960746827
1029142448
11154a5175
129914a14
13606486a
143c285d6
152859bed
hex1bcadb0

29142448 has 40 divisors (see below), whose sum is σ = 58902480. Its totient is φ = 13950720.

The previous prime is 29142383. The next prime is 29142457. The reversal of 29142448 is 84424192.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83811 + ... + 84157.

It is an arithmetic number, because the mean of its divisors is an integer number (1472562).

Almost surely, 229142448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29142448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29451240).

29142448 is an abundant number, since it is smaller than the sum of its proper divisors (29760032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29142448 is a wasteful number, since it uses less digits than its factorization.

29142448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565 (or 559 counting only the distinct ones).

The product of its digits is 18432, while the sum is 34.

The square root of 29142448 is about 5398.3745701831. The cubic root of 29142448 is about 307.7339018385.

The spelling of 29142448 in words is "twenty-nine million, one hundred forty-two thousand, four hundred forty-eight".

Divisors: 1 2 4 8 16 29 58 116 181 232 347 362 464 694 724 1388 1448 2776 2896 5249 5552 10063 10498 20126 20996 40252 41992 62807 80504 83984 125614 161008 251228 502456 1004912 1821403 3642806 7285612 14571224 29142448