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64927248 = 2434383379
BaseRepresentation
bin1111011110101…
…1011000010000
311112011122102220
43313223120100
5113110132443
610235341040
71415605161
oct367533020
9145148386
1064927248
1133716891
12198b1780
13105b38b9
1488a1768
155a77a83
hex3deb610

64927248 has 80 divisors (see below), whose sum is σ = 174155520. Its totient is φ = 20829312.

The previous prime is 64927243. The next prime is 64927249. The reversal of 64927248 is 84272946.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (64927243) 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, 171123 + ... + 171501.

It is an arithmetic number, because the mean of its divisors is an integer number (2176944).

Almost surely, 264927248 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 64927248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87077760).

64927248 is an abundant number, since it is smaller than the sum of its proper divisors (109228272).

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

64927248 is a wasteful number, since it uses less digits than its factorization.

64927248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516 (or 510 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 64927248 is about 8057.7445975906. The cubic root of 64927248 is about 401.9225117347.

The spelling of 64927248 in words is "sixty-four million, nine hundred twenty-seven thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 43 48 83 86 129 166 172 249 258 332 344 379 498 516 664 688 758 996 1032 1137 1328 1516 1992 2064 2274 3032 3569 3984 4548 6064 7138 9096 10707 14276 16297 18192 21414 28552 31457 32594 42828 48891 57104 62914 65188 85656 94371 97782 125828 130376 171312 188742 195564 251656 260752 377484 391128 503312 754968 782256 1352651 1509936 2705302 4057953 5410604 8115906 10821208 16231812 21642416 32463624 64927248