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30429129 = 375713399
BaseRepresentation
bin111010000010…
…0111111001001
32010020221220210
41310010333021
530242213004
63004111333
7516433443
oct164047711
963227823
1030429129
11161a3945
12a235549
1363c5403
144081493
152a11089
hex1d04fc9

30429129 has 8 divisors (see below), whose sum is σ = 40628800. Its totient is φ = 20257776.

The previous prime is 30429121. The next prime is 30429131. The reversal of 30429129 is 92192403.

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

It is not a de Polignac number, because 30429129 - 23 = 30429121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30429096 and 30429105.

It is not an unprimeable number, because it can be changed into a prime (30429121) by changing a digit.

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, 4429 + ... + 8970.

It is an arithmetic number, because the mean of its divisors is an integer number (5078600).

Almost surely, 230429129 is an apocalyptic number.

It is an amenable number.

30429129 is a deficient number, since it is larger than the sum of its proper divisors (10199671).

30429129 is a wasteful number, since it uses less digits than its factorization.

30429129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14159.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 30429129 is about 5516.2604180731. The cubic root of 30429129 is about 312.1978015110.

The spelling of 30429129 in words is "thirty million, four hundred twenty-nine thousand, one hundred twenty-nine".

Divisors: 1 3 757 2271 13399 40197 10143043 30429129