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29472142 = 2710512003
BaseRepresentation
bin111000001101…
…1010110001110
32001110100011211
41300123112032
530021102032
62531405034
7505336420
oct160332616
961410154
1029472142
11156aa947
129a5377a
13614b94b
143cb2810
1528c2747
hex1c1b58e

29472142 has 16 divisors (see below), whose sum is σ = 50596992. Its totient is φ = 12612600.

The previous prime is 29472139. The next prime is 29472151. The reversal of 29472142 is 24127492.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13713 + ... + 15715.

It is an arithmetic number, because the mean of its divisors is an integer number (3162312).

Almost surely, 229472142 is an apocalyptic number.

29472142 is a deficient number, since it is larger than the sum of its proper divisors (21124850).

29472142 is a wasteful number, since it uses less digits than its factorization.

29472142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3063.

The product of its digits is 8064, while the sum is 31.

The square root of 29472142 is about 5428.8251030955. The cubic root of 29472142 is about 308.8900367337.

The spelling of 29472142 in words is "twenty-nine million, four hundred seventy-two thousand, one hundred forty-two".

Divisors: 1 2 7 14 1051 2003 2102 4006 7357 14021 14714 28042 2105153 4210306 14736071 29472142