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30316741 = 73132523
BaseRepresentation
bin111001110100…
…1100011000101
32010001020202021
41303221203011
530230113431
63001443141
7515455000
oct163514305
963036667
1030316741
1116127464
12a1a04b1
136386200
144052537
1529dcb11
hex1ce98c5

30316741 has 24 divisors (see below), whose sum is σ = 38356800. Its totient is φ = 23941008.

The previous prime is 30316721. The next prime is 30316747. The reversal of 30316741 is 14761303.

It is not a de Polignac number, because 30316741 - 25 = 30316709 is a prime.

It is a super-2 number, since 2×303167412 = 1838209569722162, 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 (30316747) 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 23 ways as a sum of consecutive naturals, for example, 57706 + ... + 58228.

It is an arithmetic number, because the mean of its divisors is an integer number (1598200).

Almost surely, 230316741 is an apocalyptic number.

It is an amenable number.

30316741 is a deficient number, since it is larger than the sum of its proper divisors (8040059).

30316741 is an equidigital number, since it uses as much as digits as its factorization.

30316741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570 (or 543 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 30316741 is about 5506.0640206957. The cubic root of 30316741 is about 311.8129666059.

The spelling of 30316741 in words is "thirty million, three hundred sixteen thousand, seven hundred forty-one".

Divisors: 1 7 13 49 91 169 343 523 637 1183 3661 4459 6799 8281 25627 47593 57967 88387 179389 333151 618709 2332057 4330963 30316741