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30152322 = 23217211467
BaseRepresentation
bin111001100000…
…1011010000010
32002201220012200
41303001122002
530204333242
62554134030
7514201434
oct163013202
962656180
1030152322
1116024982
12a121316
136329415
14400c654
1529a904c
hex1cc1682

30152322 has 48 divisors (see below), whose sum is σ = 69649632. Its totient is φ = 9394560.

The previous prime is 30152267. The next prime is 30152327. The reversal of 30152322 is 22325103.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30152295 and 30152304.

It is not an unprimeable number, because it can be changed into a prime (30152327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64333 + ... + 64799.

It is an arithmetic number, because the mean of its divisors is an integer number (1451034).

Almost surely, 230152322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30152322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34824816).

30152322 is an abundant number, since it is smaller than the sum of its proper divisors (39497310).

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

30152322 is a wasteful number, since it uses less digits than its factorization.

30152322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703 (or 700 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 30152322 is about 5491.1130019332. The cubic root of 30152322 is about 311.2482517926.

Adding to 30152322 its reverse (22325103), we get a palindrome (52477425).

The spelling of 30152322 in words is "thirty million, one hundred fifty-two thousand, three hundred twenty-two".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 211 306 422 467 633 934 1266 1401 1899 2802 3587 3798 4203 7174 7939 8406 10761 15878 21522 23817 32283 47634 64566 71451 98537 142902 197074 295611 591222 886833 1675129 1773666 3350258 5025387 10050774 15076161 30152322