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1649030064 = 2431119164377
BaseRepresentation
bin110001001001010…
…0011001110110000
311020220221101222120
41202102203032300
511334122430224
6431344234240
755602344553
oct14222431660
94226841876
101649030064
1177691a770
123a030b980
13203841846
1411901869a
1599b86779
hex624a33b0

1649030064 has 80 divisors (see below), whose sum is σ = 4891889280. Its totient is φ = 473402880.

The previous prime is 1649030059. The next prime is 1649030081. The reversal of 1649030064 is 4600309461.

It is a Harshad number since it is a multiple of its sum of digits (33).

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 15 ways as a sum of consecutive naturals, for example, 72157 + ... + 92220.

It is an arithmetic number, because the mean of its divisors is an integer number (61148616).

Almost surely, 21649030064 is an apocalyptic number.

It is an amenable number.

1649030064 is an abundant number, since it is smaller than the sum of its proper divisors (3242859216).

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

1649030064 is a wasteful number, since it uses less digits than its factorization.

1649030064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164418 (or 164412 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 1649030064 is about 40608.2511812563. The cubic root of 1649030064 is about 1181.4341616176.

The spelling of 1649030064 in words is "one billion, six hundred forty-nine million, thirty thousand, sixty-four".

Divisors: 1 2 3 4 6 8 11 12 16 19 22 24 33 38 44 48 57 66 76 88 114 132 152 176 209 228 264 304 418 456 528 627 836 912 1254 1672 2508 3344 5016 10032 164377 328754 493131 657508 986262 1315016 1808147 1972524 2630032 3123163 3616294 3945048 5424441 6246326 7232588 7890096 9369489 10848882 12492652 14465176 18738978 21697764 24985304 28930352 34354793 37477956 43395528 49970608 68709586 74955912 86791056 103064379 137419172 149911824 206128758 274838344 412257516 549676688 824515032 1649030064