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70055386 = 235027693
BaseRepresentation
bin1000010110011…
…11010111011010
311212211011220221
410023033113122
5120413233021
610541310254
71510314052
oct413172732
9155734827
1070055386
11365a9715
121b56538a
131168aabb
149438562
15623c241
hex42cf5da

70055386 has 4 divisors (see below), whose sum is σ = 105083082. Its totient is φ = 35027692.

The previous prime is 70055369. The next prime is 70055407. The reversal of 70055386 is 68355007.

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: 68355007 = 79765001.

It can be written as a sum of positive squares in only one way, i.e., 58049161 + 12006225 = 7619^2 + 3465^2 .

It is a plaindrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17513845 + ... + 17513848.

Almost surely, 270055386 is an apocalyptic number.

70055386 is a deficient number, since it is larger than the sum of its proper divisors (35027696).

70055386 is a wasteful number, since it uses less digits than its factorization.

70055386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35027695.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 70055386 is about 8369.9095574564. The cubic root of 70055386 is about 412.2371972817.

The spelling of 70055386 in words is "seventy million, fifty-five thousand, three hundred eighty-six".

Divisors: 1 2 35027693 70055386