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30020134 = 2107140281
BaseRepresentation
bin111001010000…
…1001000100110
32002111011212211
41302201020212
530141121014
62551234034
7513111154
oct162411046
962434784
1030020134
1115a44631
12a07891a
1362b11c1
143db63d4
15297ecc4
hex1ca1226

30020134 has 8 divisors (see below), whose sum is σ = 45451368. Its totient is φ = 14869680.

The previous prime is 30020119. The next prime is 30020173. The reversal of 30020134 is 43102003.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69927 + ... + 70354.

It is an arithmetic number, because the mean of its divisors is an integer number (5681421).

Almost surely, 230020134 is an apocalyptic number.

30020134 is a deficient number, since it is larger than the sum of its proper divisors (15431234).

30020134 is a wasteful number, since it uses less digits than its factorization.

30020134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140390.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 30020134 is about 5479.0632411024. The cubic root of 30020134 is about 310.7927472942.

Adding to 30020134 its reverse (43102003), we get a palindrome (73122137).

The spelling of 30020134 in words is "thirty million, twenty thousand, one hundred thirty-four".

Divisors: 1 2 107 214 140281 280562 15010067 30020134