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70613249 = 786311689
BaseRepresentation
bin1000011010101…
…11100100000001
311220212112011112
410031113210001
5121034110444
611001253105
71515126350
oct415274401
9156775145
1070613249
113694a863
121b794195
13118249b5
149541997
1562ec69e
hex4357901

70613249 has 8 divisors (see below), whose sum is σ = 80801280. Its totient is φ = 60450336.

The previous prime is 70613209. The next prime is 70613297. The reversal of 70613249 is 94231607.

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 70613249 - 212 = 70609153 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70613209) 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, 197 + ... + 11885.

It is an arithmetic number, because the mean of its divisors is an integer number (10100160).

Almost surely, 270613249 is an apocalyptic number.

It is an amenable number.

70613249 is a deficient number, since it is larger than the sum of its proper divisors (10188031).

70613249 is a wasteful number, since it uses less digits than its factorization.

70613249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12559.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 70613249 is about 8403.1689855673. The cubic root of 70613249 is about 413.3285439236.

The spelling of 70613249 in words is "seventy million, six hundred thirteen thousand, two hundred forty-nine".

Divisors: 1 7 863 6041 11689 81823 10087607 70613249