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53881064 = 2343156631
BaseRepresentation
bin1100110110001…
…0100011101000
310202101102220222
43031202203220
5102243143224
65202505212
71222660436
oct315424350
9122342828
1053881064
1128461706
1216065208
13b216ab3
147227d56
154ae4b5e
hex33628e8

53881064 has 16 divisors (see below), whose sum is σ = 103377120. Its totient is φ = 26313840.

The previous prime is 53881013. The next prime is 53881067. The reversal of 53881064 is 46018835.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (53881067) 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, 77972 + ... + 78659.

It is an arithmetic number, because the mean of its divisors is an integer number (6461070).

Almost surely, 253881064 is an apocalyptic number.

It is an amenable number.

53881064 is a deficient number, since it is larger than the sum of its proper divisors (49496056).

53881064 is a wasteful number, since it uses less digits than its factorization.

53881064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156680 (or 156676 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 53881064 is about 7340.3721976477. The cubic root of 53881064 is about 377.6986110415.

Adding to 53881064 its reverse (46018835), we get a palindrome (99899899).

The spelling of 53881064 in words is "fifty-three million, eight hundred eighty-one thousand, sixty-four".

Divisors: 1 2 4 8 43 86 172 344 156631 313262 626524 1253048 6735133 13470266 26940532 53881064