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70684361 = 1125125601
BaseRepresentation
bin1000011011010…
…00111011001001
311221000010201022
410031220323021
5121043344421
611003002225
71515543566
oct415507311
9157003638
1070684361
1136999230
121b809375
131184b187
14955d86d
1563137ab
hex4368ec9

70684361 has 8 divisors (see below), whose sum is σ = 77420448. Its totient is φ = 64000000.

The previous prime is 70684357. The next prime is 70684379. The reversal of 70684361 is 16348607.

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

It is a 6-Lehmer number, since φ(70684361) divides (70684361-1)6.

It is a cyclic number.

It is not a de Polignac number, because 70684361 - 22 = 70684357 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70684331) 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 7 ways as a sum of consecutive naturals, for example, 10040 + ... + 15561.

It is an arithmetic number, because the mean of its divisors is an integer number (9677556).

Almost surely, 270684361 is an apocalyptic number.

It is an amenable number.

70684361 is a deficient number, since it is larger than the sum of its proper divisors (6736087).

70684361 is a wasteful number, since it uses less digits than its factorization.

70684361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25863.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 70684361 is about 8407.3991816732. The cubic root of 70684361 is about 413.4672466864.

The spelling of 70684361 in words is "seventy million, six hundred eighty-four thousand, three hundred sixty-one".

Divisors: 1 11 251 2761 25601 281611 6425851 70684361