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64016377 = 193369283
BaseRepresentation
bin1111010000110…
…0111111111001
311110110100221221
43310030333321
5112342011002
610204032041
71405062445
oct364147771
9143410857
1064016377
11331544a7
1219532621
1310355119
148705825
155947c37
hex3d0cff9

64016377 has 4 divisors (see below), whose sum is σ = 67385680. Its totient is φ = 60647076.

The previous prime is 64016371. The next prime is 64016413. The reversal of 64016377 is 77361046.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64016377 - 215 = 63983609 is a prime.

It is a super-2 number, since 2×640163772 = 8196193048412258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64016371) 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 in 3 ways as a sum of consecutive naturals, for example, 1684623 + ... + 1684660.

It is an arithmetic number, because the mean of its divisors is an integer number (16846420).

Almost surely, 264016377 is an apocalyptic number.

It is an amenable number.

64016377 is a deficient number, since it is larger than the sum of its proper divisors (3369303).

64016377 is a wasteful number, since it uses less digits than its factorization.

64016377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3369302.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 64016377 is about 8001.0234970284. The cubic root of 64016377 is about 400.0341158402.

The spelling of 64016377 in words is "sixty-four million, sixteen thousand, three hundred seventy-seven".

Divisors: 1 19 3369283 64016377