Search a number
-
+
70550317 = 491143687
BaseRepresentation
bin1000011010010…
…00001100101101
311220202022211201
410031020030231
5121030102232
611000045501
71514445025
oct415101455
9156668751
1070550317
1136907552
121b763891
1311802166
149526a85
1562d8be7
hex434832d

70550317 has 4 divisors (see below), whose sum is σ = 70694496. Its totient is φ = 70406140.

The previous prime is 70550297. The next prime is 70550329. The reversal of 70550317 is 71305507.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70550317 - 27 = 70550189 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 (70550377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71353 + ... + 72334.

It is an arithmetic number, because the mean of its divisors is an integer number (17673624).

Almost surely, 270550317 is an apocalyptic number.

It is an amenable number.

70550317 is a deficient number, since it is larger than the sum of its proper divisors (144179).

70550317 is a wasteful number, since it uses less digits than its factorization.

70550317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144178.

The product of its (nonzero) digits is 3675, while the sum is 28.

The square root of 70550317 is about 8399.4236111771. The cubic root of 70550317 is about 413.2057184223.

The spelling of 70550317 in words is "seventy million, five hundred fifty thousand, three hundred seventeen".

Divisors: 1 491 143687 70550317