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29481601 = 105128051
BaseRepresentation
bin111000001110…
…1101010000001
32001110211011011
41300131222001
530021402401
62531520521
7505406122
oct160355201
961424134
1029481601
1115706a66
129a59141
136153046
143cb6049
1528c5451
hex1c1da81

29481601 has 4 divisors (see below), whose sum is σ = 29510704. Its totient is φ = 29452500.

The previous prime is 29481581. The next prime is 29481611. The reversal of 29481601 is 10618492.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 29481601 - 221 = 27384449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29481611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12975 + ... + 15076.

It is an arithmetic number, because the mean of its divisors is an integer number (7377676).

Almost surely, 229481601 is an apocalyptic number.

It is an amenable number.

29481601 is a deficient number, since it is larger than the sum of its proper divisors (29103).

29481601 is a wasteful number, since it uses less digits than its factorization.

29481601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29102.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 29481601 is about 5429.6962161801. The cubic root of 29481601 is about 308.9230789914.

The spelling of 29481601 in words is "twenty-nine million, four hundred eighty-one thousand, six hundred one".

Divisors: 1 1051 28051 29481601