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64380352 = 261397237
BaseRepresentation
bin1111010110010…
…1110111000000
311111010212020111
43311211313000
5112440132402
610215521104
71411136551
oct365456700
9144125214
1064380352
1133382a03
1219689194
13104519aa
14879c328
1559ba9d7
hex3d65dc0

64380352 has 28 divisors (see below), whose sum is σ = 128691640. Its totient is φ = 31954176.

The previous prime is 64380317. The next prime is 64380359. The reversal of 64380352 is 25308346.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64380359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5278 + ... + 12514.

It is an arithmetic number, because the mean of its divisors is an integer number (4596130).

Almost surely, 264380352 is an apocalyptic number.

It is an amenable number.

64380352 is a deficient number, since it is larger than the sum of its proper divisors (64311288).

64380352 is a wasteful number, since it uses less digits than its factorization.

64380352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7388 (or 7378 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 64380352 is about 8023.7367853139. The cubic root of 64380352 is about 400.7908354179.

Adding to 64380352 its reverse (25308346), we get a palindrome (89688698).

The spelling of 64380352 in words is "sixty-four million, three hundred eighty thousand, three hundred fifty-two".

Divisors: 1 2 4 8 16 32 64 139 278 556 1112 2224 4448 7237 8896 14474 28948 57896 115792 231584 463168 1005943 2011886 4023772 8047544 16095088 32190176 64380352