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30012341 = 82336467
BaseRepresentation
bin111001001111…
…1001110110101
32002110210012012
41302133032311
530140343331
62551134005
7513046352
oct162371665
962423165
1030012341
1115a39797
12a074305
1362aa7a8
143db3629
15297c82b
hex1c9f3b5

30012341 has 4 divisors (see below), whose sum is σ = 30049632. Its totient is φ = 29975052.

The previous prime is 30012299. The next prime is 30012379. The reversal of 30012341 is 14321003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14321003 = 19753737.

It is a cyclic number.

It is not a de Polignac number, because 30012341 - 218 = 29750197 is a prime.

It is a super-2 number, since 2×300123412 = 1801481224600562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30012391) 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, 17411 + ... + 19056.

It is an arithmetic number, because the mean of its divisors is an integer number (7512408).

Almost surely, 230012341 is an apocalyptic number.

It is an amenable number.

30012341 is a deficient number, since it is larger than the sum of its proper divisors (37291).

30012341 is an equidigital number, since it uses as much as digits as its factorization.

30012341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37290.

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

The square root of 30012341 is about 5478.3520332304. The cubic root of 30012341 is about 310.7658518170.

Adding to 30012341 its reverse (14321003), we get a palindrome (44333344).

The spelling of 30012341 in words is "thirty million, twelve thousand, three hundred forty-one".

Divisors: 1 823 36467 30012341