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70300609 = 416128109
BaseRepresentation
bin1000011000010…
…11001111000001
311220021122022021
410030023033001
5120444104414
610550441441
71512355021
oct414131701
9156248267
1070300609
1136756985
121b663281
13117455c2
14949da81
156289c24
hex430b3c1

70300609 has 8 divisors (see below), whose sum is σ = 73198440. Its totient is φ = 67459200.

The previous prime is 70300603. The next prime is 70300613. The reversal of 70300609 is 90600307.

It can be written as a sum of positive squares in 4 ways, for example, as 19492225 + 50808384 = 4415^2 + 7128^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70300609 - 211 = 70298561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70300603) 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 7 ways as a sum of consecutive naturals, for example, 11554 + ... + 16555.

It is an arithmetic number, because the mean of its divisors is an integer number (9149805).

Almost surely, 270300609 is an apocalyptic number.

It is an amenable number.

70300609 is a deficient number, since it is larger than the sum of its proper divisors (2897831).

70300609 is a wasteful number, since it uses less digits than its factorization.

70300609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28211.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 70300609 is about 8384.5458433955. The cubic root of 70300609 is about 412.7176377086.

The spelling of 70300609 in words is "seventy million, three hundred thousand, six hundred nine".

Divisors: 1 41 61 2501 28109 1152469 1714649 70300609