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61417469 is a prime number
BaseRepresentation
bin1110101001001…
…0011111111101
311021120022221002
43222102133331
5111210324334
610032220045
71344016451
oct352223775
9137508832
1061417469
1131739943
121869a625
13c9551c9
14822a661
1555d2b7e
hex3a927fd

61417469 has 2 divisors, whose sum is σ = 61417470. Its totient is φ = 61417468.

The previous prime is 61417453. The next prime is 61417471. The reversal of 61417469 is 96471416.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55681444 + 5736025 = 7462^2 + 2395^2 .

It is a cyclic number.

It is not a de Polignac number, because 61417469 - 24 = 61417453 is a prime.

It is a super-2 number, since 2×614174692 = 7544210996731922, which contains 22 as substring.

Together with 61417471, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61419469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30708734 + 30708735.

It is an arithmetic number, because the mean of its divisors is an integer number (30708735).

Almost surely, 261417469 is an apocalyptic number.

It is an amenable number.

61417469 is a deficient number, since it is larger than the sum of its proper divisors (1).

61417469 is an equidigital number, since it uses as much as digits as its factorization.

61417469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 38.

The square root of 61417469 is about 7836.9298197700. The cubic root of 61417469 is about 394.5456914259.

The spelling of 61417469 in words is "sixty-one million, four hundred seventeen thousand, four hundred sixty-nine".