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42368680 = 2351059217
BaseRepresentation
bin1010000110011…
…1111010101000
32221201112220101
42201213322220
541321244210
64112035144
71023061564
oct241477250
987645811
1042368680
1121a09242
1212232ab4
138a15a33
1458ac6a4
153abda3a
hex2867ea8

42368680 has 16 divisors (see below), whose sum is σ = 95329620. Its totient is φ = 16947456.

The previous prime is 42368659. The next prime is 42368699. The reversal of 42368680 is 8686324.

42368680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 35784324 + 6584356 = 5982^2 + 2566^2 .

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, 529569 + ... + 529648.

Almost surely, 242368680 is an apocalyptic number.

42368680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42368680 is an abundant number, since it is smaller than the sum of its proper divisors (52960940).

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

42368680 is a wasteful number, since it uses less digits than its factorization.

42368680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059228 (or 1059224 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 42368680 is about 6509.1228287689. The cubic root of 42368680 is about 348.6167992925.

The spelling of 42368680 in words is "forty-two million, three hundred sixty-eight thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 1059217 2118434 4236868 5296085 8473736 10592170 21184340 42368680