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30246013 = 712233533
BaseRepresentation
bin111001101100…
…0010001111101
32002220122201201
41303120101331
530220333023
63000135501
7515041540
oct163302175
962818651
1030246013
1116089306
12a167591
13635cc65
144034857
1529c6bad
hex1cd847d

30246013 has 8 divisors (see below), whose sum is σ = 34604928. Its totient is φ = 25896624.

The previous prime is 30245993. The next prime is 30246023. The reversal of 30246013 is 31064203.

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 30246013 - 213 = 30237821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30246023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6795 + ... + 10327.

It is an arithmetic number, because the mean of its divisors is an integer number (4325616).

Almost surely, 230246013 is an apocalyptic number.

It is an amenable number.

30246013 is a deficient number, since it is larger than the sum of its proper divisors (4358915).

30246013 is a wasteful number, since it uses less digits than its factorization.

30246013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4763.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 30246013 is about 5499.6375335107. The cubic root of 30246013 is about 311.5702945223.

The spelling of 30246013 in words is "thirty million, two hundred forty-six thousand, thirteen".

Divisors: 1 7 1223 3533 8561 24731 4320859 30246013