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63949344 = 253666139
BaseRepresentation
bin1111001111110…
…0101000100000
311110022222000020
43303330220200
5112332334334
610202353440
71404363144
oct363745040
9143288006
1063949344
11331090a8
12194bb880
1310330764
1486c9224
155932e49
hex3cfca20

63949344 has 24 divisors (see below), whose sum is σ = 167867280. Its totient is φ = 21316416.

The previous prime is 63949339. The next prime is 63949349. The reversal of 63949344 is 44394936.

63949344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (63949339) and next prime (63949349).

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 63949296 and 63949305.

It is not an unprimeable number, because it can be changed into a prime (63949349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332974 + ... + 333165.

It is an arithmetic number, because the mean of its divisors is an integer number (6994470).

Almost surely, 263949344 is an apocalyptic number.

It is an amenable number.

63949344 is an abundant number, since it is smaller than the sum of its proper divisors (103917936).

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

63949344 is a wasteful number, since it uses less digits than its factorization.

63949344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666152 (or 666144 counting only the distinct ones).

The product of its digits is 279936, while the sum is 42.

The square root of 63949344 is about 7996.8333732797. The cubic root of 63949344 is about 399.8944388112.

The spelling of 63949344 in words is "sixty-three million, nine hundred forty-nine thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 666139 1332278 1998417 2664556 3996834 5329112 7993668 10658224 15987336 21316448 31974672 63949344