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30827100 = 22352211487
BaseRepresentation
bin111010110011…
…0001001011100
32011000011211110
41311212021130
530342431400
63020422020
7523011633
oct165461134
964004743
1030827100
1116445947
12a3a7910
1365045b5
14414651a
152a8de50
hex1d6625c

30827100 has 72 divisors (see below), whose sum is σ = 89799808. Its totient is φ = 8164800.

The previous prime is 30827099. The next prime is 30827117. The reversal of 30827100 is 172803.

It is a congruent number.

It is an unprimeable number.

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, 63057 + ... + 63543.

Almost surely, 230827100 is an apocalyptic number.

30827100 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 30827100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44899904).

30827100 is an abundant number, since it is smaller than the sum of its proper divisors (58972708).

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

30827100 is a wasteful number, since it uses less digits than its factorization.

30827100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715 (or 708 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 30827100 is about 5552.2157739050. The cubic root of 30827100 is about 313.5529495001.

Adding to 30827100 its reverse (172803), we get a palindrome (30999903).

The spelling of 30827100 in words is "thirty million, eight hundred twenty-seven thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 211 300 422 487 633 844 974 1055 1266 1461 1948 2110 2435 2532 2922 3165 4220 4870 5275 5844 6330 7305 9740 10550 12175 12660 14610 15825 21100 24350 29220 31650 36525 48700 63300 73050 102757 146100 205514 308271 411028 513785 616542 1027570 1233084 1541355 2055140 2568925 3082710 5137850 6165420 7706775 10275700 15413550 30827100