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70083080 = 2351752077
BaseRepresentation
bin1000010110101…
…10001000001000
311212212120220122
410023112020020
5120420124310
610542042412
71510460564
oct413261010
9155776818
1070083080
1136618501
121b579408
131169a5a2
1494446a4
156245555
hex42d6208

70083080 has 16 divisors (see below), whose sum is σ = 157687020. Its totient is φ = 28033216.

The previous prime is 70083059. The next prime is 70083107. The reversal of 70083080 is 8038007.

It can be written as a sum of positive squares in 2 ways, for example, as 69789316 + 293764 = 8354^2 + 542^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 875999 + ... + 876078.

Almost surely, 270083080 is an apocalyptic number.

It is an amenable number.

70083080 is an abundant number, since it is smaller than the sum of its proper divisors (87603940).

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

70083080 is a wasteful number, since it uses less digits than its factorization.

70083080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752088 (or 1752084 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 70083080 is about 8371.5637726771. The cubic root of 70083080 is about 412.2915114158.

The spelling of 70083080 in words is "seventy million, eighty-three thousand, eighty".

Divisors: 1 2 4 5 8 10 20 40 1752077 3504154 7008308 8760385 14016616 17520770 35041540 70083080