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70470005 = 514094001
BaseRepresentation
bin1000011001101…
…00100101110101
311220121020200012
410030310211311
5121020020010
610554230005
71513661624
oct414644565
9156536605
1070470005
1136862181
121b725305
13117a4738
1495056bb
1562c0005
hex4334975

70470005 has 4 divisors (see below), whose sum is σ = 84564012. Its totient is φ = 56376000.

The previous prime is 70469983. The next prime is 70470041. The reversal of 70470005 is 50007407.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50007407 = 60183207.

It can be written as a sum of positive squares in 2 ways, for example, as 24039409 + 46430596 = 4903^2 + 6814^2 .

It is not a de Polignac number, because 70470005 - 216 = 70404469 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 7046996 + ... + 7047005.

It is an arithmetic number, because the mean of its divisors is an integer number (21141003).

Almost surely, 270470005 is an apocalyptic number.

It is an amenable number.

70470005 is a deficient number, since it is larger than the sum of its proper divisors (14094007).

70470005 is a wasteful number, since it uses less digits than its factorization.

70470005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14094006.

The product of its (nonzero) digits is 980, while the sum is 23.

The square root of 70470005 is about 8394.6414455890. The cubic root of 70470005 is about 413.0488659356.

The spelling of 70470005 in words is "seventy million, four hundred seventy thousand, five".

Divisors: 1 5 14094001 70470005