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64848644 = 2274353861
BaseRepresentation
bin1111011101100…
…0001100000100
311112000122121122
43313120030010
5113100124034
610233533112
71415130050
oct367301404
9145018548
1064848644
1133672823
1219874198
1310586ba3
148880c60
155a5e62e
hex3dd8304

64848644 has 24 divisors (see below), whose sum is σ = 132715968. Its totient is φ = 27145440.

The previous prime is 64848629. The next prime is 64848649. The reversal of 64848644 is 44684846.

It is a junction number, because it is equal to n+sod(n) for n = 64848595 and 64848604.

It is not an unprimeable number, because it can be changed into a prime (64848649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25727 + ... + 28134.

It is an arithmetic number, because the mean of its divisors is an integer number (5529832).

Almost surely, 264848644 is an apocalyptic number.

It is an amenable number.

64848644 is an abundant number, since it is smaller than the sum of its proper divisors (67867324).

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

64848644 is a wasteful number, since it uses less digits than its factorization.

64848644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53915 (or 53913 counting only the distinct ones).

The product of its digits is 589824, while the sum is 44.

The square root of 64848644 is about 8052.8655769235. The cubic root of 64848644 is about 401.7602507637.

The spelling of 64848644 in words is "sixty-four million, eight hundred forty-eight thousand, six hundred forty-four".

Divisors: 1 2 4 7 14 28 43 86 172 301 602 1204 53861 107722 215444 377027 754054 1508108 2316023 4632046 9264092 16212161 32424322 64848644