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70194431 is a prime number
BaseRepresentation
bin1000010111100…
…01010011111111
311220002020122202
410023301103333
5120432210211
610544302115
71511433326
oct413612377
9156066582
1070194431
113669412a
121b61193b
1311709188
1494730bd
15626853b
hex42f14ff

70194431 has 2 divisors, whose sum is σ = 70194432. Its totient is φ = 70194430.

The previous prime is 70194407. The next prime is 70194451. The reversal of 70194431 is 13449107.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70194431 - 214 = 70178047 is a prime.

It is a super-2 number, since 2×701944312 = 9854516286827522, 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 = 70194394 and 70194403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70194451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35097215 + 35097216.

It is an arithmetic number, because the mean of its divisors is an integer number (35097216).

Almost surely, 270194431 is an apocalyptic number.

70194431 is a deficient number, since it is larger than the sum of its proper divisors (1).

70194431 is an equidigital number, since it uses as much as digits as its factorization.

70194431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 70194431 is about 8378.2116826922. The cubic root of 70194431 is about 412.5097513458.

The spelling of 70194431 in words is "seventy million, one hundred ninety-four thousand, four hundred thirty-one".