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10212431 is a prime number
BaseRepresentation
bin100110111101…
…010001001111
3201012211211012
4212331101033
510103244211
61002515435
7152542565
oct46752117
921184735
1010212431
115845829
123505b7b
132167478
1414dba35
15d6ad8b
hex9bd44f

10212431 has 2 divisors, whose sum is σ = 10212432. Its totient is φ = 10212430.

The previous prime is 10212421. The next prime is 10212463. The reversal of 10212431 is 13421201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10212431 - 214 = 10196047 is a prime.

It is a super-2 number, since 2×102124312 = 208587493859522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10212421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106215 + 5106216.

It is an arithmetic number, because the mean of its divisors is an integer number (5106216).

Almost surely, 210212431 is an apocalyptic number.

10212431 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212431 is an equidigital number, since it uses as much as digits as its factorization.

10212431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 10212431 is about 3195.6894404807. The cubic root of 10212431 is about 216.9583545415.

Adding to 10212431 its reverse (13421201), we get a palindrome (23633632).

The spelling of 10212431 in words is "ten million, two hundred twelve thousand, four hundred thirty-one".