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30169524 = 223711103317
BaseRepresentation
bin111001100010…
…1100110110100
32002202202210210
41303011212310
530210411044
62554345420
7514302540
oct163054664
962682723
1030169524
11160368a0
12a12b270
1363341b8
144014a20
1529ae1b9
hex1cc59b4

30169524 has 96 divisors (see below), whose sum is σ = 88897536. Its totient is φ = 7735680.

The previous prime is 30169523. The next prime is 30169553. The reversal of 30169524 is 42596103.

It is a junction number, because it is equal to n+sod(n) for n = 30169491 and 30169500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30169523) 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 31 ways as a sum of consecutive naturals, for example, 95014 + ... + 95330.

It is an arithmetic number, because the mean of its divisors is an integer number (926016).

Almost surely, 230169524 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30169524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44448768).

30169524 is an abundant number, since it is smaller than the sum of its proper divisors (58728012).

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

30169524 is a wasteful number, since it uses less digits than its factorization.

30169524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445 (or 443 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 30169524 is about 5492.6791277117. The cubic root of 30169524 is about 311.3074299279.

The spelling of 30169524 in words is "thirty million, one hundred sixty-nine thousand, five hundred twenty-four".

Divisors: 1 2 3 4 6 7 11 12 14 21 22 28 33 42 44 66 77 84 103 132 154 206 231 308 309 317 412 462 618 634 721 924 951 1133 1236 1268 1442 1902 2163 2219 2266 2884 3399 3487 3804 4326 4438 4532 6657 6798 6974 7931 8652 8876 10461 13314 13596 13948 15862 20922 23793 24409 26628 31724 32651 41844 47586 48818 65302 73227 95172 97636 97953 130604 146454 195906 228557 292908 359161 391812 457114 685671 718322 914228 1077483 1371342 1436644 2154966 2514127 2742684 4309932 5028254 7542381 10056508 15084762 30169524