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104140220 = 2255207011
BaseRepresentation
bin1100011010100…
…00110110111100
321020221212112012
412031100312330
5203124441340
614200030352
72403114542
oct615206674
9236855465
10104140220
115386a0a8
122aa623b8
1318763142
14db8bd92
159221565
hex6350dbc

104140220 has 12 divisors (see below), whose sum is σ = 218694504. Its totient is φ = 41656080.

The previous prime is 104140219. The next prime is 104140243. The reversal of 104140220 is 22041401.

It is a junction number, because it is equal to n+sod(n) for n = 104140195 and 104140204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2603486 + ... + 2603525.

It is an arithmetic number, because the mean of its divisors is an integer number (18224542).

Almost surely, 2104140220 is an apocalyptic number.

104140220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104140220 is an abundant number, since it is smaller than the sum of its proper divisors (114554284).

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

104140220 is a wasteful number, since it uses less digits than its factorization.

104140220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5207020 (or 5207018 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 104140220 is about 10204.9115625761. The cubic root of 104140220 is about 470.4781914442.

Adding to 104140220 its reverse (22041401), we get a palindrome (126181621).

The spelling of 104140220 in words is "one hundred four million, one hundred forty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 5207011 10414022 20828044 26035055 52070110 104140220