Search a number
-
+
70066301 = 97722333
BaseRepresentation
bin1000010110100…
…10000001111101
311212211201220012
410023102001331
5120414110201
610541433005
71510360634
oct413220175
9155751805
1070066301
1136606938
121b56b765
1311692a66
14943c51b
1562405bb
hex42d207d

70066301 has 4 divisors (see below), whose sum is σ = 70788732. Its totient is φ = 69343872.

The previous prime is 70066277. The next prime is 70066309. The reversal of 70066301 is 10366007.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10366007 = 28336629.

It can be written as a sum of positive squares in 2 ways, for example, as 14638276 + 55428025 = 3826^2 + 7445^2 .

It is a cyclic number.

It is not a de Polignac number, because 70066301 - 210 = 70065277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70066309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361070 + ... + 361263.

It is an arithmetic number, because the mean of its divisors is an integer number (17697183).

Almost surely, 270066301 is an apocalyptic number.

It is an amenable number.

70066301 is a deficient number, since it is larger than the sum of its proper divisors (722431).

70066301 is an equidigital number, since it uses as much as digits as its factorization.

70066301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722430.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 70066301 is about 8370.5615701696. The cubic root of 70066301 is about 412.2586057491.

The spelling of 70066301 in words is "seventy million, sixty-six thousand, three hundred one".

Divisors: 1 97 722333 70066301