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87416070 = 2357547761
BaseRepresentation
bin1010011010111…
…01110100000110
320002111012022020
411031131310012
5134334303240
612401344010
72111011230
oct515356406
9202435266
1087416070
1145386a95
1225338006
1315158ab1
14b877250
157a1b0d0
hex535dd06

87416070 has 64 divisors (see below), whose sum is σ = 240523776. Its totient is φ = 19918080.

The previous prime is 87416053. The next prime is 87416071. The reversal of 87416070 is 7061478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87416071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114490 + ... + 115250.

It is an arithmetic number, because the mean of its divisors is an integer number (3758184).

Almost surely, 287416070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87416070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120261888).

87416070 is an abundant number, since it is smaller than the sum of its proper divisors (153107706).

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

87416070 is a wasteful number, since it uses less digits than its factorization.

87416070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 87416070 is about 9349.6561434098. The cubic root of 87416070 is about 443.8100092091.

The spelling of 87416070 in words is "eighty-seven million, four hundred sixteen thousand, seventy".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 547 761 1094 1522 1641 2283 2735 3282 3805 3829 4566 5327 5470 7610 7658 8205 10654 11415 11487 15981 16410 19145 22830 22974 26635 31962 38290 53270 57435 79905 114870 159810 416267 832534 1248801 2081335 2497602 2913869 4162670 5827738 6244005 8741607 12488010 14569345 17483214 29138690 43708035 87416070