Search a number
-
+
30164562 = 236171217
BaseRepresentation
bin111001100010…
…0011001010010
32002202112000000
41303010121102
530210231222
62554310430
7514252221
oct163043122
962675000
1030164562
111603309a
12a128416
136331b6c
144012cb8
1529ac9ac
hex1cc4652

30164562 has 56 divisors (see below), whose sum is σ = 71888796. Its totient is φ = 9455616.

The previous prime is 30164557. The next prime is 30164573. The reversal of 30164562 is 26546103.

It can be written as a sum of positive squares in 2 ways, for example, as 30041361 + 123201 = 5481^2 + 351^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 24178 + ... + 25394.

Almost surely, 230164562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30164562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35944398).

30164562 is an abundant number, since it is smaller than the sum of its proper divisors (41724234).

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

30164562 is a wasteful number, since it uses less digits than its factorization.

30164562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254 (or 1239 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 30164562 is about 5492.2274169958. The cubic root of 30164562 is about 311.2903620179.

The spelling of 30164562 in words is "thirty million, one hundred sixty-four thousand, five hundred sixty-two".

Divisors: 1 2 3 6 9 17 18 27 34 51 54 81 102 153 162 243 306 459 486 729 918 1217 1377 1458 2434 2754 3651 4131 7302 8262 10953 12393 20689 21906 24786 32859 41378 62067 65718 98577 124134 186201 197154 295731 372402 558603 591462 887193 1117206 1675809 1774386 3351618 5027427 10054854 15082281 30164562