Search a number
-
+
70023353 = 318122013
BaseRepresentation
bin1000010110001…
…11100010111001
311212202112222112
410023013202321
5120411221403
610540502105
71510121501
oct413074271
9155675875
1070023353
1136587644
121b54a935
131167934a
14942aa01
1562329d8
hex42c78b9

70023353 has 4 divisors (see below), whose sum is σ = 70048548. Its totient is φ = 69998160.

The previous prime is 70023319. The next prime is 70023361. The reversal of 70023353 is 35332007.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24285184 + 45738169 = 4928^2 + 6763^2 .

It is a cyclic number.

It is not a de Polignac number, because 70023353 - 28 = 70023097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70023053) 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 3 ways as a sum of consecutive naturals, for example, 7826 + ... + 14187.

It is an arithmetic number, because the mean of its divisors is an integer number (17512137).

Almost surely, 270023353 is an apocalyptic number.

It is an amenable number.

70023353 is a deficient number, since it is larger than the sum of its proper divisors (25195).

70023353 is a wasteful number, since it uses less digits than its factorization.

70023353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25194.

The product of its (nonzero) digits is 1890, while the sum is 23.

The square root of 70023353 is about 8367.9957576471. The cubic root of 70023353 is about 412.1743555403.

The spelling of 70023353 in words is "seventy million, twenty-three thousand, three hundred fifty-three".

Divisors: 1 3181 22013 70023353