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70189433 is a prime number
BaseRepresentation
bin1000010111100…
…00000101111001
311220001222210122
410023300011321
5120432030213
610544223025
71511412626
oct413600571
9156058718
1070189433
11366903a6
121b60aa75
1311706b12
14947134d
156266d08
hex42f0179

70189433 has 2 divisors, whose sum is σ = 70189434. Its totient is φ = 70189432.

The previous prime is 70189423. The next prime is 70189451. The reversal of 70189433 is 33498107.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57714409 + 12475024 = 7597^2 + 3532^2 .

It is a cyclic number.

It is not a de Polignac number, because 70189433 - 26 = 70189369 is a prime.

It is a super-2 number, since 2×701894332 = 9853113009722978, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 70189393 and 70189402.

It is not a weakly prime, because it can be changed into another prime (70189423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35094716 + 35094717.

It is an arithmetic number, because the mean of its divisors is an integer number (35094717).

Almost surely, 270189433 is an apocalyptic number.

It is an amenable number.

70189433 is a deficient number, since it is larger than the sum of its proper divisors (1).

70189433 is an equidigital number, since it uses as much as digits as its factorization.

70189433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 70189433 is about 8377.9134037062. The cubic root of 70189433 is about 412.4999605754.

The spelling of 70189433 in words is "seventy million, one hundred eighty-nine thousand, four hundred thirty-three".