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30024131 = 233735281
BaseRepresentation
bin111001010001…
…0000111000011
32002111101100212
41302202013003
530141233011
62551304335
7513125624
oct162420703
962441325
1030024131
1115a47635
12a07b0ab
1362b2c77
143db7a4b
15298108b
hex1ca21c3

30024131 has 8 divisors (see below), whose sum is σ = 32177184. Its totient is φ = 27941760.

The previous prime is 30024109. The next prime is 30024133. The reversal of 30024131 is 13142003.

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 30024131 - 210 = 30023107 is a prime.

It is a super-2 number, since 2×300241312 = 1802896884610322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30024133) 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, 16790 + ... + 18491.

It is an arithmetic number, because the mean of its divisors is an integer number (4022148).

Almost surely, 230024131 is an apocalyptic number.

30024131 is a deficient number, since it is larger than the sum of its proper divisors (2153053).

30024131 is a wasteful number, since it uses less digits than its factorization.

30024131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35341.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 30024131 is about 5479.4279810944. The cubic root of 30024131 is about 310.8065400761.

Adding to 30024131 its reverse (13142003), we get a palindrome (43166134).

The spelling of 30024131 in words is "thirty million, twenty-four thousand, one hundred thirty-one".

Divisors: 1 23 37 851 35281 811463 1305397 30024131