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30164460 = 22351729573
BaseRepresentation
bin111001100010…
…0010111101100
32002202111212020
41303010113230
530210230320
62554310140
7514252014
oct163042754
962674766
1030164460
1116033007
12a128350
136331ac1
144012c44
1529ac940
hex1cc45ec

30164460 has 48 divisors (see below), whose sum is σ = 89431776. Its totient is φ = 7570432.

The previous prime is 30164447. The next prime is 30164461. The reversal of 30164460 is 6446103.

It is a self number, because there is not a number n which added to its sum of digits gives 30164460.

It is not an unprimeable number, because it can be changed into a prime (30164461) 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 15 ways as a sum of consecutive naturals, for example, 13767 + ... + 15806.

It is an arithmetic number, because the mean of its divisors is an integer number (1863162).

Almost surely, 230164460 is an apocalyptic number.

30164460 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30164460 is an abundant number, since it is smaller than the sum of its proper divisors (59267316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30164460 is a wasteful number, since it uses less digits than its factorization.

30164460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29602 (or 29600 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 30164460 is about 5492.2181311379. The cubic root of 30164460 is about 311.2900111464.

The spelling of 30164460 in words is "thirty million, one hundred sixty-four thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 34 51 60 68 85 102 170 204 255 340 510 1020 29573 59146 88719 118292 147865 177438 295730 354876 443595 502741 591460 887190 1005482 1508223 1774380 2010964 2513705 3016446 5027410 6032892 7541115 10054820 15082230 30164460