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70253569 = 2311327031
BaseRepresentation
bin1000010111111…
…11110000000001
311220012020210001
410023333300001
5120441103234
610545440001
71512100621
oct413776001
9156166701
1070253569
1136724601
121b640001
131172a079
14948a881
15627ad14
hex42ffc01

70253569 has 8 divisors (see below), whose sum is σ = 73959552. Its totient is φ = 66601920.

The previous prime is 70253563. The next prime is 70253581. The reversal of 70253569 is 96535207.

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 70253569 - 211 = 70251521 is a prime.

It is a super-2 number, since 2×702535692 = 9871127914475522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70253563) 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, 10917 + ... + 16114.

It is an arithmetic number, because the mean of its divisors is an integer number (9244944).

Almost surely, 270253569 is an apocalyptic number.

It is an amenable number.

70253569 is a deficient number, since it is larger than the sum of its proper divisors (3705983).

70253569 is a wasteful number, since it uses less digits than its factorization.

70253569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27167.

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 70253569 is about 8381.7402131061. The cubic root of 70253569 is about 412.6255637339.

The spelling of 70253569 in words is "seventy million, two hundred fifty-three thousand, five hundred sixty-nine".

Divisors: 1 23 113 2599 27031 621713 3054503 70253569