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30342135 = 352518059
BaseRepresentation
bin111001110111…
…1101111110111
32010002112120210
41303233233313
530231422020
63002200503
7515622015
oct163575767
963075523
1030342135
111614454a
12a1b3133
136394935
14405b8b5
1529e53e0
hex1cefbf7

30342135 has 16 divisors (see below), whose sum is σ = 48746880. Its totient is φ = 16116000.

The previous prime is 30342121. The next prime is 30342139. The reversal of 30342135 is 53124303.

It is not a de Polignac number, because 30342135 - 210 = 30341111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30342139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265 + ... + 7794.

It is an arithmetic number, because the mean of its divisors is an integer number (3046680).

Almost surely, 230342135 is an apocalyptic number.

30342135 is a deficient number, since it is larger than the sum of its proper divisors (18404745).

30342135 is a wasteful number, since it uses less digits than its factorization.

30342135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8318.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 30342135 is about 5508.3695409803. The cubic root of 30342135 is about 311.9000028817.

Adding to 30342135 its reverse (53124303), we get a palindrome (83466438).

The spelling of 30342135 in words is "thirty million, three hundred forty-two thousand, one hundred thirty-five".

Divisors: 1 3 5 15 251 753 1255 3765 8059 24177 40295 120885 2022809 6068427 10114045 30342135