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108196420 = 22510335237
BaseRepresentation
bin1100111001011…
…11001001000100
321112120221120211
412130233021010
5210144241140
614423005204
72452440313
oct634571104
9245527524
10108196420
115608a632
1230299804
1319553467
141052627a
1597732ea
hex672f244

108196420 has 24 divisors (see below), whose sum is σ = 227475864. Its totient is φ = 43228416.

The previous prime is 108196411. The next prime is 108196421. The reversal of 108196420 is 24691801.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 57729604 + 50466816 = 7598^2 + 7104^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (108196421) by changing a digit.

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, 18042 + ... + 23278.

It is an arithmetic number, because the mean of its divisors is an integer number (9478161).

Almost surely, 2108196420 is an apocalyptic number.

108196420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108196420 is an abundant number, since it is smaller than the sum of its proper divisors (119279444).

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

108196420 is a wasteful number, since it uses less digits than its factorization.

108196420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6279 (or 6277 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 108196420 is about 10401.7508141659. The cubic root of 108196420 is about 476.5088419637.

The spelling of 108196420 in words is "one hundred eight million, one hundred ninety-six thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 1033 2066 4132 5165 5237 10330 10474 20660 20948 26185 52370 104740 5409821 10819642 21639284 27049105 54098210 108196420