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101430860 = 2255071543
BaseRepresentation
bin1100000101110…
…11011001001100
321001212012222112
412002323121030
5201431241420
614022003152
72341101536
oct602733114
9231765875
10101430860
1152289563
1229b764b8
1318024b7b
14d684856
158d888c5
hex60bb64c

101430860 has 12 divisors (see below), whose sum is σ = 213004848. Its totient is φ = 40572336.

The previous prime is 101430829. The next prime is 101430877. The reversal of 101430860 is 68034101.

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 3 ways as a sum of consecutive naturals, for example, 2535752 + ... + 2535791.

It is an arithmetic number, because the mean of its divisors is an integer number (17750404).

Almost surely, 2101430860 is an apocalyptic number.

101430860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101430860 is an abundant number, since it is smaller than the sum of its proper divisors (111573988).

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

101430860 is a wasteful number, since it uses less digits than its factorization.

101430860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5071552 (or 5071550 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 101430860 is about 10071.2888946748. The cubic root of 101430860 is about 466.3622288758.

Adding to 101430860 its reverse (68034101), we get a palindrome (169464961).

The spelling of 101430860 in words is "one hundred one million, four hundred thirty thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 5071543 10143086 20286172 25357715 50715430 101430860