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76066816 = 21272379
BaseRepresentation
bin1001000100010…
…11000000000000
312022010121001111
410202023000000
5123433114231
611314213104
71612362100
oct442130000
9168117044
1076066816
1139a35141
1221584194
13129b4067
14a161200
156a284b1
hex488b000

76066816 has 78 divisors (see below), whose sum is σ = 177417060. Its totient is φ = 32514048.

The previous prime is 76066813. The next prime is 76066843. The reversal of 76066816 is 61866067.

It is not an unprimeable number, because it can be changed into a prime (76066813) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 200515 + ... + 200893.

Almost surely, 276066816 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 76066816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88708530).

76066816 is an abundant number, since it is smaller than the sum of its proper divisors (101350244).

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

76066816 is an equidigital number, since it uses as much as digits as its factorization.

76066816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 76066816 is about 8721.6292056014. The cubic root of 76066816 is about 423.7064539909.

It can be divided in two parts, 760 and 66816, that added together give a palindrome (67576).

The spelling of 76066816 in words is "seventy-six million, sixty-six thousand, eight hundred sixteen".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 64 98 112 128 196 224 256 379 392 448 512 758 784 896 1024 1516 1568 1792 2048 2653 3032 3136 3584 4096 5306 6064 6272 7168 10612 12128 12544 14336 18571 21224 24256 25088 28672 37142 42448 48512 50176 74284 84896 97024 100352 148568 169792 194048 200704 297136 339584 388096 594272 679168 776192 1188544 1358336 1552384 2377088 2716672 4754176 5433344 9508352 10866688 19016704 38033408 76066816