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511082642 = 2729475507
BaseRepresentation
bin11110011101101…
…000000010010010
31022121200200120202
4132131220002102
52021314121032
6122414135202
715444062600
oct3635500222
91277620522
10511082642
11242546a54
121231b1502
1381b65685
144bc3c870
152ed06d62
hex1e768092

511082642 has 24 divisors (see below), whose sum is σ = 892890864. Its totient is φ = 218764392.

The previous prime is 511082623. The next prime is 511082651. The reversal of 511082642 is 246280115.

It is a super-2 number, since 2×5110826422 = 522410933907400328, which contains 22 as substring.

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 in 11 ways as a sum of consecutive naturals, for example, 90053 + ... + 95559.

It is an arithmetic number, because the mean of its divisors is an integer number (37203786).

Almost surely, 2511082642 is an apocalyptic number.

511082642 is a deficient number, since it is larger than the sum of its proper divisors (381808222).

511082642 is a wasteful number, since it uses less digits than its factorization.

511082642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6470 (or 6463 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 511082642 is about 22607.1369704348. The cubic root of 511082642 is about 799.5219237358.

The spelling of 511082642 in words is "five hundred eleven million, eighty-two thousand, six hundred forty-two".

Divisors: 1 2 7 14 49 98 947 1894 5507 6629 11014 13258 38549 46403 77098 92806 269843 539686 5215129 10430258 36505903 73011806 255541321 511082642