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64882144 = 252027567
BaseRepresentation
bin1111011110000…
…0010111100000
311112002100120101
43313200113200
5113102212034
610234352144
71415326525
oct367402740
9145070511
1064882144
1133695a08
121988b654
1310599202
14888d14c
155a69514
hex3de05e0

64882144 has 12 divisors (see below), whose sum is σ = 127736784. Its totient is φ = 32441056.

The previous prime is 64882121. The next prime is 64882151. The reversal of 64882144 is 44128846.

64882144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×648821442 = 8419385220073472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1013752 + ... + 1013815.

It is an arithmetic number, because the mean of its divisors is an integer number (10644732).

Almost surely, 264882144 is an apocalyptic number.

It is an amenable number.

64882144 is a deficient number, since it is larger than the sum of its proper divisors (62854640).

64882144 is a wasteful number, since it uses less digits than its factorization.

64882144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2027577 (or 2027569 counting only the distinct ones).

The product of its digits is 49152, while the sum is 37.

The square root of 64882144 is about 8054.9453132843. The cubic root of 64882144 is about 401.8294202979.

The spelling of 64882144 in words is "sixty-four million, eight hundred eighty-two thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 32 2027567 4055134 8110268 16220536 32441072 64882144