Search a number
-
+
42970961 = 1110935839
BaseRepresentation
bin1010001111101…
…0111101010001
32222212011002002
42203322331101
542000032321
64133003345
71031150525
oct243727521
988764062
1042970961
112228a7a0
1212483555
138b96c07
1459c7d85
153b8c20b
hex28faf51

42970961 has 8 divisors (see below), whose sum is σ = 47308800. Its totient is φ = 38705040.

The previous prime is 42970957. The next prime is 42970973. The reversal of 42970961 is 16907924.

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

It is not a de Polignac number, because 42970961 - 22 = 42970957 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42970931) 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, 16721 + ... + 19118.

It is an arithmetic number, because the mean of its divisors is an integer number (5913600).

Almost surely, 242970961 is an apocalyptic number.

It is an amenable number.

42970961 is a deficient number, since it is larger than the sum of its proper divisors (4337839).

42970961 is a wasteful number, since it uses less digits than its factorization.

42970961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35959.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 42970961 is about 6555.2239473568. The cubic root of 42970961 is about 350.2609238012.

The spelling of 42970961 in words is "forty-two million, nine hundred seventy thousand, nine hundred sixty-one".

Divisors: 1 11 109 1199 35839 394229 3906451 42970961