Search a number
-
+
70968383 = 174140763
BaseRepresentation
bin1000011101011…
…10010000111111
311221112120022122
410032232100333
5121131442013
611013033155
71521135623
oct416562077
9157476278
1070968383
1137072662
121b9257bb
131191a535
1495d5183
15636ca08
hex43ae43f

70968383 has 4 divisors (see below), whose sum is σ = 71010888. Its totient is φ = 70925880.

The previous prime is 70968379. The next prime is 70968389. The reversal of 70968383 is 38386907.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38386907 = 132952839.

It is a cyclic number.

It is not a de Polignac number, because 70968383 - 22 = 70968379 is a prime.

It is a super-2 number, since 2×709683832 = 10073022771269378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70968389) 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, 18641 + ... + 22122.

It is an arithmetic number, because the mean of its divisors is an integer number (17752722).

Almost surely, 270968383 is an apocalyptic number.

70968383 is a deficient number, since it is larger than the sum of its proper divisors (42505).

70968383 is a wasteful number, since it uses less digits than its factorization.

70968383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42504.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 70968383 is about 8424.2734404814. The cubic root of 70968383 is about 414.0203009174.

The spelling of 70968383 in words is "seventy million, nine hundred sixty-eight thousand, three hundred eighty-three".

Divisors: 1 1741 40763 70968383