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34147481 is a prime number
BaseRepresentation
bin1000001001000…
…0110010011001
32101020212112112
42002100302121
532220204411
63215522105
7563151224
oct202206231
971225475
1034147481
1118303565
12b529335
1370c7a14
14476c5bb
152ee7b8b
hex2090c99

34147481 has 2 divisors, whose sum is σ = 34147482. Its totient is φ = 34147480.

The previous prime is 34147457. The next prime is 34147483. The reversal of 34147481 is 18474143.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30691600 + 3455881 = 5540^2 + 1859^2 .

It is an emirp because it is prime and its reverse (18474143) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-34147481 is a prime.

It is a super-2 number, since 2×341474812 = 2332100917290722, which contains 22 as substring.

Together with 34147483, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (34147483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17073740 + 17073741.

It is an arithmetic number, because the mean of its divisors is an integer number (17073741).

Almost surely, 234147481 is an apocalyptic number.

It is an amenable number.

34147481 is a deficient number, since it is larger than the sum of its proper divisors (1).

34147481 is an equidigital number, since it uses as much as digits as its factorization.

34147481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 32.

The square root of 34147481 is about 5843.5846019374. The cubic root of 34147481 is about 324.4289174100.

The spelling of 34147481 in words is "thirty-four million, one hundred forty-seven thousand, four hundred eighty-one".