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30529080 = 23325137619
BaseRepresentation
bin111010001110…
…1011000111000
32010110001000200
41310131120320
530303412310
63010202200
7520331031
oct164353070
963401020
1030529080
1116261a4a
12a283360
13642ba5a
1440a9a88
152a309c0
hex1d1d638

30529080 has 96 divisors (see below), whose sum is σ = 100105200. Its totient is φ = 8068608.

The previous prime is 30529069. The next prime is 30529087. The reversal of 30529080 is 8092503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30529087) 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 23 ways as a sum of consecutive naturals, for example, 49011 + ... + 49629.

Almost surely, 230529080 is an apocalyptic number.

30529080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30529080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50052600).

30529080 is an abundant number, since it is smaller than the sum of its proper divisors (69576120).

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

30529080 is a wasteful number, since it uses less digits than its factorization.

30529080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773 (or 766 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 30529080 is about 5525.3126608365. The cubic root of 30529080 is about 312.5392548021.

The spelling of 30529080 in words is "thirty million, five hundred twenty-nine thousand, eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 137 180 274 360 411 548 619 685 822 1096 1233 1238 1370 1644 1857 2055 2466 2476 2740 3095 3288 3714 4110 4932 4952 5480 5571 6165 6190 7428 8220 9285 9864 11142 12330 12380 14856 16440 18570 22284 24660 24760 27855 37140 44568 49320 55710 74280 84803 111420 169606 222840 254409 339212 424015 508818 678424 763227 848030 1017636 1272045 1526454 1696060 2035272 2544090 3052908 3392120 3816135 5088180 6105816 7632270 10176360 15264540 30529080