Search a number
-
+
42734741 = 737164999
BaseRepresentation
bin1010001100000…
…1010010010101
32222102011001012
42203001102111
541420002431
64123542005
71026145040
oct243012225
988364035
1042734741
1122139275
121238a905
138b1353a
145965c57
153b4222b
hex28c1495

42734741 has 8 divisors (see below), whose sum is σ = 50160000. Its totient is φ = 35639568.

The previous prime is 42734723. The next prime is 42734779. The reversal of 42734741 is 14743724.

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-42734741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42734698 and 42734707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42734941) 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, 82241 + ... + 82758.

It is an arithmetic number, because the mean of its divisors is an integer number (6270000).

Almost surely, 242734741 is an apocalyptic number.

It is an amenable number.

42734741 is a deficient number, since it is larger than the sum of its proper divisors (7425259).

42734741 is a wasteful number, since it uses less digits than its factorization.

42734741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165043.

The product of its digits is 18816, while the sum is 32.

The square root of 42734741 is about 6537.1814262723. The cubic root of 42734741 is about 349.6179259215.

The spelling of 42734741 in words is "forty-two million, seven hundred thirty-four thousand, seven hundred forty-one".

Divisors: 1 7 37 259 164999 1154993 6104963 42734741