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30203429 = 41773953
BaseRepresentation
bin111001100110…
…1111000100101
32002211111022112
41303031320211
530213002204
62555210405
7514503434
oct163157045
962744275
1030203429
111605a313
12a146a05
136346769
14402311b
1529b926e
hex1ccde25

30203429 has 8 divisors (see below), whose sum is σ = 31012632. Its totient is φ = 29397760.

The previous prime is 30203417. The next prime is 30203447. The reversal of 30203429 is 92430203.

It can be written as a sum of positive squares in 4 ways, for example, as 1151329 + 29052100 = 1073^2 + 5390^2 .

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 30203429 - 216 = 30137893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30203629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31217 + ... + 32169.

It is an arithmetic number, because the mean of its divisors is an integer number (3876579).

Almost surely, 230203429 is an apocalyptic number.

It is an amenable number.

30203429 is a deficient number, since it is larger than the sum of its proper divisors (809203).

30203429 is an equidigital number, since it uses as much as digits as its factorization.

30203429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 30203429 is about 5495.7646419766. The cubic root of 30203429 is about 311.4240037146.

The spelling of 30203429 in words is "thirty million, two hundred three thousand, four hundred twenty-nine".

Divisors: 1 41 773 953 31693 39073 736669 30203429