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30605352 = 23319411637
BaseRepresentation
bin111010011000…
…0000000101000
32010120220122120
41310300000220
530313332402
63011551240
7521066301
oct164600050
963526576
1030605352
1116304288
12a2bb520
13645769b
1440c97a8
152a483bc
hex1d30028

30605352 has 64 divisors (see below), whose sum is σ = 82555200. Its totient is φ = 9423360.

The previous prime is 30605303. The next prime is 30605357. The reversal of 30605352 is 25350603.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (30605357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17878 + ... + 19514.

It is an arithmetic number, because the mean of its divisors is an integer number (1289925).

Almost surely, 230605352 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 30605352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41277600).

30605352 is an abundant number, since it is smaller than the sum of its proper divisors (51949848).

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

30605352 is a wasteful number, since it uses less digits than its factorization.

30605352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706 (or 1702 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 30605352 is about 5532.2104081461. The cubic root of 30605352 is about 312.7993147160.

Adding to 30605352 its reverse (25350603), we get a palindrome (55955955).

The spelling of 30605352 in words is "thirty million, six hundred five thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 19 24 38 41 57 76 82 114 123 152 164 228 246 328 456 492 779 984 1558 1637 2337 3116 3274 4674 4911 6232 6548 9348 9822 13096 18696 19644 31103 39288 62206 67117 93309 124412 134234 186618 201351 248824 268468 373236 402702 536936 746472 805404 1275223 1610808 2550446 3825669 5100892 7651338 10201784 15302676 30605352