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70045901 is a prime number
BaseRepresentation
bin1000010110011…
…01000011001101
311212210200220122
410023031003031
5120412432101
610541154325
71510244312
oct413150315
9155720818
1070045901
11365a2582
121b55b9a5
13116866a3
149434d09
15623951b
hex42cd0cd

70045901 has 2 divisors, whose sum is σ = 70045902. Its totient is φ = 70045900.

The previous prime is 70045897. The next prime is 70045919. The reversal of 70045901 is 10954007.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65593801 + 4452100 = 8099^2 + 2110^2 .

It is a cyclic number.

It is not a de Polignac number, because 70045901 - 22 = 70045897 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70045201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35022950 + 35022951.

It is an arithmetic number, because the mean of its divisors is an integer number (35022951).

Almost surely, 270045901 is an apocalyptic number.

It is an amenable number.

70045901 is a deficient number, since it is larger than the sum of its proper divisors (1).

70045901 is an equidigital number, since it uses as much as digits as its factorization.

70045901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 70045901 is about 8369.3429252242. The cubic root of 70045901 is about 412.2185917824.

Adding to 70045901 its reverse (10954007), we get a palindrome (80999908).

The spelling of 70045901 in words is "seventy million, forty-five thousand, nine hundred one".