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106215500 = 2253792689
BaseRepresentation
bin1100101010010…
…11100001001100
321101212022021102
412111023201030
5204142344000
614312322232
72426550116
oct625134114
9241768242
10106215500
1154a57306
122b6a3378
131900b911
141016c3b6
1594d13d5
hex654b84c

106215500 has 48 divisors (see below), whose sum is σ = 234998400. Its totient is φ = 41932800.

The previous prime is 106215481. The next prime is 106215521. The reversal of 106215500 is 5512601.

It is a super-2 number, since 2×1062155002 = 22563464880500000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38156 + ... + 40844.

It is an arithmetic number, because the mean of its divisors is an integer number (4895800).

Almost surely, 2106215500 is an apocalyptic number.

106215500 is a gapful number since it is divisible by the number (10) 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 106215500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117499200).

106215500 is an abundant number, since it is smaller than the sum of its proper divisors (128782900).

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

106215500 is a wasteful number, since it uses less digits than its factorization.

106215500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2787 (or 2775 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 106215500 is about 10306.0904323609. The cubic root of 106215500 is about 473.5828491153.

The spelling of 106215500 in words is "one hundred six million, two hundred fifteen thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 79 100 125 158 250 316 395 500 790 1580 1975 2689 3950 5378 7900 9875 10756 13445 19750 26890 39500 53780 67225 134450 212431 268900 336125 424862 672250 849724 1062155 1344500 2124310 4248620 5310775 10621550 21243100 26553875 53107750 106215500