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42948697 = 116164007
BaseRepresentation
bin1010001111010…
…1100001011001
32222211000112111
42203311201121
541443324242
64132312321
71031025601
oct243654131
988730474
1042948697
1122274aa0
12124726a1
138b89a3c
1459bdc01
153b85817
hex28f5859

42948697 has 8 divisors (see below), whose sum is σ = 47621952. Its totient is φ = 38403600.

The previous prime is 42948677. The next prime is 42948713. The reversal of 42948697 is 79684924.

42948697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-42948697 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42948697.

It is not an unprimeable number, because it can be changed into a prime (42948617) 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, 31333 + ... + 32674.

It is an arithmetic number, because the mean of its divisors is an integer number (5952744).

Almost surely, 242948697 is an apocalyptic number.

It is an amenable number.

42948697 is a deficient number, since it is larger than the sum of its proper divisors (4673255).

42948697 is a wasteful number, since it uses less digits than its factorization.

42948697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64079.

The product of its digits is 870912, while the sum is 49.

The square root of 42948697 is about 6553.5255397381. The cubic root of 42948697 is about 350.2004212648.

The spelling of 42948697 in words is "forty-two million, nine hundred forty-eight thousand, six hundred ninety-seven".

Divisors: 1 11 61 671 64007 704077 3904427 42948697