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108830420 = 22543126547
BaseRepresentation
bin1100111110010…
…01111011010100
321120210011021022
412133021323110
5210330033140
614444340312
72461020566
oct637117324
9246704238
10108830420
11564829a6
1230544698
1319715bca
141064d336
15984b0b5
hex67c9ed4

108830420 has 24 divisors (see below), whose sum is σ = 233860704. Its totient is φ = 42519456.

The previous prime is 108830419. The next prime is 108830453. The reversal of 108830420 is 24038801.

It is a self number, because there is not a number n which added to its sum of digits gives 108830420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62414 + ... + 64133.

It is an arithmetic number, because the mean of its divisors is an integer number (9744196).

Almost surely, 2108830420 is an apocalyptic number.

108830420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108830420 is an abundant number, since it is smaller than the sum of its proper divisors (125030284).

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

108830420 is a wasteful number, since it uses less digits than its factorization.

108830420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126599 (or 126597 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 108830420 is about 10432.1819385975. The cubic root of 108830420 is about 477.4377649763.

The spelling of 108830420 in words is "one hundred eight million, eight hundred thirty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 126547 253094 506188 632735 1265470 2530940 5441521 10883042 21766084 27207605 54415210 108830420