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30083250 = 235340111
BaseRepresentation
bin111001011000…
…0100010110010
32002121101110110
41302300202302
530200131000
62552442150
7513463161
oct162604262
962541413
1030083250
1115a87a9a
12a0a9356
136303b52
143dd13d8
152993850
hex1cb08b2

30083250 has 32 divisors (see below), whose sum is σ = 75089664. Its totient is φ = 8022000.

The previous prime is 30083239. The next prime is 30083269. The reversal of 30083250 is 5238003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19306 + ... + 20805.

It is an arithmetic number, because the mean of its divisors is an integer number (2346552).

Almost surely, 230083250 is an apocalyptic number.

30083250 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30083250 is an abundant number, since it is smaller than the sum of its proper divisors (45006414).

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

30083250 is a wasteful number, since it uses less digits than its factorization.

30083250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40131 (or 40121 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 30083250 is about 5484.8199605821. The cubic root of 30083250 is about 311.0104041487.

The spelling of 30083250 in words is "thirty million, eighty-three thousand, two hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 125 150 250 375 750 40111 80222 120333 200555 240666 401110 601665 1002775 1203330 2005550 3008325 5013875 6016650 10027750 15041625 30083250