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2806493952 = 28319414691
BaseRepresentation
bin1010011101000111…
…1011001100000000
321020120220122221110
42213101323030000
521221430301302
61142252523320
7126355543053
oct24721731400
97216818843
102806493952
111210213499
12663a80540
13359592012
141c8a34a9a
151165bdb6c
hexa747b300

2806493952 has 144 divisors (see below), whose sum is σ = 8055976320. Its totient is φ = 864460800.

The previous prime is 2806493929. The next prime is 2806493999. The reversal of 2806493952 is 2593946082.

It is a happy number.

It is a super-2 number, since 2×28064939522 = 15752816605225156608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 595927 + ... + 600617.

It is an arithmetic number, because the mean of its divisors is an integer number (55944280).

Almost surely, 22806493952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2806493952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4027988160).

2806493952 is an abundant number, since it is smaller than the sum of its proper divisors (5249482368).

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

2806493952 is a wasteful number, since it uses less digits than its factorization.

2806493952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4770 (or 4756 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 48.

The square root of 2806493952 is about 52976.3527623410. The cubic root of 2806493952 is about 1410.5485436727.

The spelling of 2806493952 in words is "two billion, eight hundred six million, four hundred ninety-three thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 19 24 32 38 41 48 57 64 76 82 96 114 123 128 152 164 192 228 246 256 304 328 384 456 492 608 656 768 779 912 984 1216 1312 1558 1824 1968 2337 2432 2624 3116 3648 3936 4674 4691 4864 5248 6232 7296 7872 9348 9382 10496 12464 14073 14592 15744 18696 18764 24928 28146 31488 37392 37528 49856 56292 74784 75056 89129 99712 112584 149568 150112 178258 192331 199424 225168 267387 299136 300224 356516 384662 450336 534774 576993 598272 600448 713032 769324 900672 1069548 1153986 1200896 1426064 1538648 1801344 2139096 2307972 2852128 3077296 3602688 3654289 4278192 4615944 5704256 6154592 7308578 8556384 9231888 10962867 11408512 12309184 14617156 17112768 18463776 21925734 22817024 24618368 29234312 34225536 36927552 43851468 49236736 58468624 68451072 73855104 87702936 116937248 147710208 175405872 233874496 350811744 467748992 701623488 935497984 1403246976 2806493952