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30014371 = 137219083
BaseRepresentation
bin111001001111…
…1101110100011
32002110212222101
41302133232203
530140424441
62551151231
7513055312
oct162375643
962425871
1030014371
1115a40272
12a075517
1362ab6aa
143db4279
15297d231
hex1c9fba3

30014371 has 4 divisors (see below), whose sum is σ = 30233592. Its totient is φ = 29795152.

The previous prime is 30014359. The next prime is 30014393. The reversal of 30014371 is 17341003.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17341003 = 171020059.

It is a cyclic number.

It is not a de Polignac number, because 30014371 - 215 = 29981603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30014071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109405 + ... + 109678.

It is an arithmetic number, because the mean of its divisors is an integer number (7558398).

Almost surely, 230014371 is an apocalyptic number.

30014371 is a deficient number, since it is larger than the sum of its proper divisors (219221).

30014371 is a wasteful number, since it uses less digits than its factorization.

30014371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219220.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 30014371 is about 5478.5373047922. The cubic root of 30014371 is about 310.7728582731.

Adding to 30014371 its reverse (17341003), we get a palindrome (47355374).

The spelling of 30014371 in words is "thirty million, fourteen thousand, three hundred seventy-one".

Divisors: 1 137 219083 30014371