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70447135 = 5111280857
BaseRepresentation
bin1000011001011…
…11000000011111
311220120002022011
410030233000133
5121013302020
610553532051
71513535143
oct414570037
9156502264
1070447135
1136846a80
121b714027
13117971c5
1494db223
1562b835a
hex432f01f

70447135 has 8 divisors (see below), whose sum is σ = 92221776. Its totient is φ = 51234240.

The previous prime is 70447081. The next prime is 70447141. The reversal of 70447135 is 53174407.

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

It is not a de Polignac number, because 70447135 - 211 = 70445087 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70447097 and 70447106.

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 7 ways as a sum of consecutive naturals, for example, 640374 + ... + 640483.

It is an arithmetic number, because the mean of its divisors is an integer number (11527722).

Almost surely, 270447135 is an apocalyptic number.

70447135 is a deficient number, since it is larger than the sum of its proper divisors (21774641).

70447135 is a wasteful number, since it uses less digits than its factorization.

70447135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280873.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 70447135 is about 8393.2791565633. The cubic root of 70447135 is about 413.0041781300.

The spelling of 70447135 in words is "seventy million, four hundred forty-seven thousand, one hundred thirty-five".

Divisors: 1 5 11 55 1280857 6404285 14089427 70447135