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42906103 = 831393719
BaseRepresentation
bin1010001110101…
…1000111110111
32222201212002221
42203223013313
541440443403
64131343211
71030460452
oct243530767
988655087
1042906103
1122245a99
1212451b07
138b73536
1459ac499
153b77dbd
hex28eb1f7

42906103 has 8 divisors (see below), whose sum is σ = 43747200. Its totient is φ = 42072888.

The previous prime is 42906089. The next prime is 42906137. The reversal of 42906103 is 30160924.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42906103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42906163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9678 + ... + 13396.

It is an arithmetic number, because the mean of its divisors is an integer number (5468400).

Almost surely, 242906103 is an apocalyptic number.

42906103 is a deficient number, since it is larger than the sum of its proper divisors (841097).

42906103 is a wasteful number, since it uses less digits than its factorization.

42906103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3941.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 42906103 is about 6550.2750323937. The cubic root of 42906103 is about 350.0846135564.

The spelling of 42906103 in words is "forty-two million, nine hundred six thousand, one hundred three".

Divisors: 1 83 139 3719 11537 308677 516941 42906103