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29542805 = 59760913
BaseRepresentation
bin111000010110…
…0100110010101
32001120221002222
41300230212111
530030332210
62533112125
7506052425
oct160544625
961527088
1029542805
1115748a46
129a88645
136174b66
143cd0485
1528d8655
hex1c2c995

29542805 has 8 divisors (see below), whose sum is σ = 35817432. Its totient is φ = 23390208.

The previous prime is 29542759. The next prime is 29542811. The reversal of 29542805 is 50824592.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 198916 + 29343889 = 446^2 + 5417^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 29542805 - 210 = 29541781 is a prime.

It is a Duffinian number.

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, 29972 + ... + 30941.

It is an arithmetic number, because the mean of its divisors is an integer number (4477179).

Almost surely, 229542805 is an apocalyptic number.

It is an amenable number.

29542805 is a deficient number, since it is larger than the sum of its proper divisors (6274627).

29542805 is an equidigital number, since it uses as much as digits as its factorization.

29542805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61015.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 29542805 is about 5435.3293368480. The cubic root of 29542805 is about 309.1367066851.

The spelling of 29542805 in words is "twenty-nine million, five hundred forty-two thousand, eight hundred five".

Divisors: 1 5 97 485 60913 304565 5908561 29542805