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30023014 = 272144501
BaseRepresentation
bin111001010000…
…1110101100110
32002111022211111
41302201311212
530141214024
62551255234
7513122440
oct162416546
962438744
1030023014
1115a4680a
12a07a51a
1362b25c8
143db7490
152980a94
hex1ca1d66

30023014 has 8 divisors (see below), whose sum is σ = 51468048. Its totient is φ = 12867000.

The previous prime is 30022999. The next prime is 30023017. The reversal of 30023014 is 41032003.

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

It is a junction number, because it is equal to n+sod(n) for n = 30022985 and 30023003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30023017) 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 3 ways as a sum of consecutive naturals, for example, 1072237 + ... + 1072264.

It is an arithmetic number, because the mean of its divisors is an integer number (6433506).

Almost surely, 230023014 is an apocalyptic number.

30023014 is a deficient number, since it is larger than the sum of its proper divisors (21445034).

30023014 is a wasteful number, since it uses less digits than its factorization.

30023014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2144510.

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

The square root of 30023014 is about 5479.3260534485. The cubic root of 30023014 is about 310.8026856741.

Adding to 30023014 its reverse (41032003), we get a palindrome (71055017).

The spelling of 30023014 in words is "thirty million, twenty-three thousand, fourteen".

Divisors: 1 2 7 14 2144501 4289002 15011507 30023014