Search a number
-
+
70967071 = 7194312409
BaseRepresentation
bin1000011101011…
…01111100011111
311221112111112001
410032231330133
5121131421241
611013023131
71521132040
oct416557437
9157474461
1070967071
113707167a
121b924aa7
1311919a66
1495d48c7
15636c431
hex43adf1f

70967071 has 16 divisors (see below), whose sum is σ = 87366400. Its totient is φ = 56282688.

The previous prime is 70967069. The next prime is 70967081. The reversal of 70967071 is 17076907.

It is not a de Polignac number, because 70967071 - 21 = 70967069 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 70967071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70967011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 486 + ... + 11923.

It is an arithmetic number, because the mean of its divisors is an integer number (5460400).

Almost surely, 270967071 is an apocalyptic number.

70967071 is a deficient number, since it is larger than the sum of its proper divisors (16399329).

70967071 is a wasteful number, since it uses less digits than its factorization.

70967071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12478.

The product of its (nonzero) digits is 18522, while the sum is 37.

The square root of 70967071 is about 8424.1955699046. The cubic root of 70967071 is about 414.0177495560.

The spelling of 70967071 in words is "seventy million, nine hundred sixty-seven thousand, seventy-one".

Divisors: 1 7 19 43 133 301 817 5719 12409 86863 235771 533587 1650397 3735109 10138153 70967071