Search a number
-
+
70113943 = 464315101
BaseRepresentation
bin1000010110111…
…01101010010111
311212221011020201
410023131222113
5120422121233
610542441331
71510646554
oct413355227
9155834221
1070113943
1136639709
121b593247
13116ab653
149451a2b
15624e77d
hex42dda97

70113943 has 4 divisors (see below), whose sum is σ = 70133688. Its totient is φ = 70094200.

The previous prime is 70113941. The next prime is 70113973. The reversal of 70113943 is 34931107.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34931107 = 172054771.

It is a cyclic number.

It is not a de Polignac number, because 70113943 - 21 = 70113941 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 (70113941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2908 + ... + 12193.

It is an arithmetic number, because the mean of its divisors is an integer number (17533422).

Almost surely, 270113943 is an apocalyptic number.

70113943 is a deficient number, since it is larger than the sum of its proper divisors (19745).

70113943 is a wasteful number, since it uses less digits than its factorization.

70113943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19744.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 70113943 is about 8373.4068932544. The cubic root of 70113943 is about 412.3520238129.

The spelling of 70113943 in words is "seventy million, one hundred thirteen thousand, nine hundred forty-three".

Divisors: 1 4643 15101 70113943