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110640020 = 22519927799
BaseRepresentation
bin1101001100000…
…11101110010100
321201012002120112
412212003232110
5211310440040
614551222152
72512265441
oct646035624
9251162515
10110640020
11574a9537
1231077958
1319bca78a
14109a09c8
159aa7365
hex6983b94

110640020 has 24 divisors (see below), whose sum is σ = 233520000. Its totient is φ = 44032032.

The previous prime is 110640011. The next prime is 110640067. The reversal of 110640020 is 20046011.

It is a junction number, because it is equal to n+sod(n) for n = 110639977 and 110640004.

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 7 ways as a sum of consecutive naturals, for example, 9920 + ... + 17879.

It is an arithmetic number, because the mean of its divisors is an integer number (9730000).

Almost surely, 2110640020 is an apocalyptic number.

110640020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110640020 is an abundant number, since it is smaller than the sum of its proper divisors (122879980).

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

110640020 is a wasteful number, since it uses less digits than its factorization.

110640020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28007 (or 28005 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 110640020 is about 10518.5559845446. Note that the first 3 decimals coincide. The cubic root of 110640020 is about 480.0694633267.

Adding to 110640020 its reverse (20046011), we get a palindrome (130686031).

The spelling of 110640020 in words is "one hundred ten million, six hundred forty thousand, twenty".

Divisors: 1 2 4 5 10 20 199 398 796 995 1990 3980 27799 55598 111196 138995 277990 555980 5532001 11064002 22128004 27660005 55320010 110640020