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87484672 = 281147661
BaseRepresentation
bin1010011011011…
…10100100000000
320002121200102001
411031232210000
5134344002142
612403033344
72111415232
oct515564400
9202550361
1087484672
1145423590
122536b854
13151810a2
14b894252
157a315b7
hex536e900

87484672 has 72 divisors (see below), whose sum is σ = 194850432. Its totient is φ = 38860800.

The previous prime is 87484667. The next prime is 87484673. The reversal of 87484672 is 27648478.

It is not an unprimeable number, because it can be changed into a prime (87484673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132022 + ... + 132682.

It is an arithmetic number, because the mean of its divisors is an integer number (2706256).

Almost surely, 287484672 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 87484672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97425216).

87484672 is an abundant number, since it is smaller than the sum of its proper divisors (107365760).

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

87484672 is a wasteful number, since it uses less digits than its factorization.

87484672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735 (or 721 counting only the distinct ones).

The product of its digits is 602112, while the sum is 46.

The square root of 87484672 is about 9353.3241149871. The cubic root of 87484672 is about 443.9260759431.

The spelling of 87484672 in words is "eighty-seven million, four hundred eighty-four thousand, six hundred seventy-two".

Divisors: 1 2 4 8 11 16 22 32 44 47 64 88 94 128 176 188 256 352 376 517 661 704 752 1034 1322 1408 1504 2068 2644 2816 3008 4136 5288 6016 7271 8272 10576 12032 14542 16544 21152 29084 31067 33088 42304 58168 62134 66176 84608 116336 124268 132352 169216 232672 248536 341737 465344 497072 683474 930688 994144 1366948 1861376 1988288 2733896 3976576 5467792 7953152 10935584 21871168 43742336 87484672