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30608700 = 22352257397
BaseRepresentation
bin111010011000…
…0110100111100
32010121002020120
41310300310330
530313434300
63012014540
7521112123
oct164606474
963532216
1030608700
1116306851
12a301450
136459075
1440caaba
152a493a0
hex1d30d3c

30608700 has 72 divisors (see below), whose sum is σ = 89129712. Its totient is φ = 8110080.

The previous prime is 30608693. The next prime is 30608707. The reversal of 30608700 is 780603.

It is an interprime number because it is at equal distance from previous prime (30608693) and next prime (30608707).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30608707) 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, 76902 + ... + 77298.

Almost surely, 230608700 is an apocalyptic number.

30608700 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 30608700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44564856).

30608700 is an abundant number, since it is smaller than the sum of its proper divisors (58521012).

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

30608700 is a wasteful number, since it uses less digits than its factorization.

30608700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671 (or 664 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 30608700 is about 5532.5129913991. The cubic root of 30608700 is about 312.8107202802.

The spelling of 30608700 in words is "thirty million, six hundred eight thousand, seven hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 257 300 397 514 771 794 1028 1191 1285 1542 1588 1985 2382 2570 3084 3855 3970 4764 5140 5955 6425 7710 7940 9925 11910 12850 15420 19275 19850 23820 25700 29775 38550 39700 59550 77100 102029 119100 204058 306087 408116 510145 612174 1020290 1224348 1530435 2040580 2550725 3060870 5101450 6121740 7652175 10202900 15304350 30608700