Search a number
-
+
70498529 = 619113891
BaseRepresentation
bin1000011001110…
…11100011100001
311220122200210122
410030323203201
5121021423104
610555010025
71514141033
oct414734341
9156580718
1070498529
1136881652
121b739915
13117b470a
149511c53
1562c86be
hex433b8e1

70498529 has 4 divisors (see below), whose sum is σ = 70613040. Its totient is φ = 70384020.

The previous prime is 70498523. The next prime is 70498537. The reversal of 70498529 is 92589407.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 92589407 = 178351929.

It is a cyclic number.

It is not a de Polignac number, because 70498529 - 24 = 70498513 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 70498529.

It is not an unprimeable number, because it can be changed into a prime (70498523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56327 + ... + 57564.

It is an arithmetic number, because the mean of its divisors is an integer number (17653260).

Almost surely, 270498529 is an apocalyptic number.

It is an amenable number.

70498529 is a deficient number, since it is larger than the sum of its proper divisors (114511).

70498529 is a wasteful number, since it uses less digits than its factorization.

70498529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114510.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 70498529 is about 8396.3402146411. The cubic root of 70498529 is about 413.1045880667.

The spelling of 70498529 in words is "seventy million, four hundred ninety-eight thousand, five hundred twenty-nine".

Divisors: 1 619 113891 70498529