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64255248 = 2433592521
BaseRepresentation
bin1111010100011…
…1010100010000
311110220111122000
43311013110100
5112422131443
610213114000
71410106041
oct365072420
9143814560
1064255248
11332a7a12
1219628900
1310409a75
1487688c8
1559938d3
hex3d47510

64255248 has 80 divisors (see below), whose sum is σ = 187636800. Its totient is φ = 21047040.

The previous prime is 64255237. The next prime is 64255249. The reversal of 64255248 is 84255246.

It is a happy number.

64255248 is a `hidden beast` number, since 64 + 2 + 552 + 48 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (64255249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24228 + ... + 26748.

It is an arithmetic number, because the mean of its divisors is an integer number (2345460).

Almost surely, 264255248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64255248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93818400).

64255248 is an abundant number, since it is smaller than the sum of its proper divisors (123381552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64255248 is a wasteful number, since it uses less digits than its factorization.

64255248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2597 (or 2585 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 64255248 is about 8015.9371255019. The cubic root of 64255248 is about 400.5310612894.

The spelling of 64255248 in words is "sixty-four million, two hundred fifty-five thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 59 72 108 118 144 177 216 236 354 432 472 531 708 944 1062 1416 1593 2124 2521 2832 3186 4248 5042 6372 7563 8496 10084 12744 15126 20168 22689 25488 30252 40336 45378 60504 68067 90756 121008 136134 148739 181512 272268 297478 363024 446217 544536 594956 892434 1089072 1189912 1338651 1784868 2379824 2677302 3569736 4015953 5354604 7139472 8031906 10709208 16063812 21418416 32127624 64255248