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64825338 = 2343251261
BaseRepresentation
bin1111011101001…
…0011111111010
311111222110122110
43313102133322
5113043402323
610233233150
71415002104
oct367223772
9144873573
1064825338
1133657266
12198627b6
13105793b6
148876574
155a57793
hex3dd27fa

64825338 has 16 divisors (see below), whose sum is σ = 132666336. Its totient is φ = 21105840.

The previous prime is 64825337. The next prime is 64825367. The reversal of 64825338 is 83352846.

It is a junction number, because it is equal to n+sod(n) for n = 64825296 and 64825305.

It is not an unprimeable number, because it can be changed into a prime (64825333) 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, 125373 + ... + 125888.

It is an arithmetic number, because the mean of its divisors is an integer number (8291646).

Almost surely, 264825338 is an apocalyptic number.

64825338 is an abundant number, since it is smaller than the sum of its proper divisors (67840998).

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

64825338 is a wasteful number, since it uses less digits than its factorization.

64825338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251309.

The product of its digits is 138240, while the sum is 39.

The square root of 64825338 is about 8051.4183843594. The cubic root of 64825338 is about 401.7121153633.

The spelling of 64825338 in words is "sixty-four million, eight hundred twenty-five thousand, three hundred thirty-eight".

Divisors: 1 2 3 6 43 86 129 258 251261 502522 753783 1507566 10804223 21608446 32412669 64825338