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6118020 = 2232541829
BaseRepresentation
bin10111010101101010000100
3102111211100100
4113111222010
53031234040
6335044100
7103000536
oct27255204
912454310
106118020
1134a9617
122070630
13136293c
14b53856
1580cb30
hex5d5a84

6118020 has 72 divisors (see below), whose sum is σ = 19033560. Its totient is φ = 1589760.

The previous prime is 6118003. The next prime is 6118027. The reversal of 6118020 is 208116.

It can be written as a sum of positive squares in 4 ways, for example, as 36864 + 6081156 = 192^2 + 2466^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 6117984 and 6118002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6118027) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 6966 + ... + 7794.

It is an arithmetic number, because the mean of its divisors is an integer number (264355).

Almost surely, 26118020 is an apocalyptic number.

6118020 is a gapful number since it is divisible by the number (60) 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 6118020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9516780).

6118020 is an abundant number, since it is smaller than the sum of its proper divisors (12915540).

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

6118020 is a wasteful number, since it uses less digits than its factorization.

6118020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885 (or 880 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 6118020 is about 2473.4631592162. The cubic root of 6118020 is about 182.8957571679.

Adding to 6118020 its product of nonzero digits (96), we get a palindrome (6118116).

It can be divided in two parts, 61 and 18020, that added together give a palindrome (18081).

The spelling of 6118020 in words is "six million, one hundred eighteen thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 41 45 60 82 90 123 164 180 205 246 369 410 492 615 738 820 829 1230 1476 1658 1845 2460 2487 3316 3690 4145 4974 7380 7461 8290 9948 12435 14922 16580 24870 29844 33989 37305 49740 67978 74610 101967 135956 149220 169945 203934 305901 339890 407868 509835 611802 679780 1019670 1223604 1529505 2039340 3059010 6118020