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64111245 = 3511235323
BaseRepresentation
bin1111010010010…
…0001010001101
311110122012002120
43310210022031
5112403024440
610210043153
71405636152
oct364441215
9143565076
1064111245
1133209800
12195794b9
1310389363
14872c229
155965dd0
hex3d2428d

64111245 has 24 divisors (see below), whose sum is σ = 112754208. Its totient is φ = 31083360.

The previous prime is 64111231. The next prime is 64111253. The reversal of 64111245 is 54211146.

It is a happy number.

It is not a de Polignac number, because 64111245 - 25 = 64111213 is a prime.

It is a super-2 number, since 2×641112452 = 8220503470900050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15847 + ... + 19476.

It is an arithmetic number, because the mean of its divisors is an integer number (4698092).

Almost surely, 264111245 is an apocalyptic number.

It is an amenable number.

64111245 is a deficient number, since it is larger than the sum of its proper divisors (48642963).

64111245 is a wasteful number, since it uses less digits than its factorization.

64111245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35353 (or 35342 counting only the distinct ones).

The product of its digits is 960, while the sum is 24.

The square root of 64111245 is about 8006.9497937729. The cubic root of 64111245 is about 400.2316262640.

Subtracting from 64111245 its reverse (54211146), we obtain a palindrome (9900099).

The spelling of 64111245 in words is "sixty-four million, one hundred eleven thousand, two hundred forty-five".

Divisors: 1 3 5 11 15 33 55 121 165 363 605 1815 35323 105969 176615 388553 529845 1165659 1942765 4274083 5828295 12822249 21370415 64111245