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30429859 = 671313467
BaseRepresentation
bin111010000010…
…1001010100011
32010020222220211
41310011022203
530242223414
63004114551
7516435535
oct164051243
963228824
1030429859
11161a4449
12a235a57
1363c5845
144081855
152a113c4
hex1d052a3

30429859 has 8 divisors (see below), whose sum is σ = 31128768. Its totient is φ = 29738280.

The previous prime is 30429829. The next prime is 30429863. The reversal of 30429859 is 95892403.

It is a happy number.

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 30429859 - 25 = 30429827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30429809) 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 7 ways as a sum of consecutive naturals, for example, 7044 + ... + 10510.

It is an arithmetic number, because the mean of its divisors is an integer number (3891096).

Almost surely, 230429859 is an apocalyptic number.

30429859 is a deficient number, since it is larger than the sum of its proper divisors (698909).

30429859 is a wasteful number, since it uses less digits than its factorization.

30429859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3665.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 30429859 is about 5516.3265856909. The cubic root of 30429859 is about 312.2002980505.

The spelling of 30429859 in words is "thirty million, four hundred twenty-nine thousand, eight hundred fifty-nine".

Divisors: 1 67 131 3467 8777 232289 454177 30429859