Search a number
-
+
70499273 = 135423021
BaseRepresentation
bin1000011001110…
…11101111001001
311220122201211012
410030323233021
5121021434043
610555013305
71514143145
oct414735711
9156581735
1070499273
1136882169
121b73a235
13117b4b60
149512225
1562c8a18
hex433bbc9

70499273 has 4 divisors (see below), whose sum is σ = 75922308. Its totient is φ = 65076240.

The previous prime is 70499263. The next prime is 70499279. The reversal of 70499273 is 37299407.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15264649 + 55234624 = 3907^2 + 7432^2 .

It is a cyclic number.

It is not a de Polignac number, because 70499273 - 24 = 70499257 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 70499273.

It is not an unprimeable number, because it can be changed into a prime (70499279) 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, 2711498 + ... + 2711523.

It is an arithmetic number, because the mean of its divisors is an integer number (18980577).

Almost surely, 270499273 is an apocalyptic number.

It is an amenable number.

70499273 is a deficient number, since it is larger than the sum of its proper divisors (5423035).

70499273 is a wasteful number, since it uses less digits than its factorization.

70499273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5423034.

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 70499273 is about 8396.3845195417. The cubic root of 70499273 is about 413.1060412825.

The spelling of 70499273 in words is "seventy million, four hundred ninety-nine thousand, two hundred seventy-three".

Divisors: 1 13 5423021 70499273