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70973828 = 2238945613
BaseRepresentation
bin1000011101011…
…11100110000100
311221112211210022
410032233212010
5121132130303
611013114312
71521160532
oct416574604
9157484708
1070973828
1137076762
121b928998
131191cb63
1495d7152
15636e438
hex43af984

70973828 has 12 divisors (see below), whose sum is σ = 124526220. Its totient is φ = 35394912.

The previous prime is 70973813. The next prime is 70973839. The reversal of 70973828 is 82837907.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7739524 + 63234304 = 2782^2 + 7952^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21251 + ... + 24362.

It is an arithmetic number, because the mean of its divisors is an integer number (10377185).

Almost surely, 270973828 is an apocalyptic number.

It is an amenable number.

70973828 is a deficient number, since it is larger than the sum of its proper divisors (53552392).

70973828 is a wasteful number, since it uses less digits than its factorization.

70973828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46006 (or 46004 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 70973828 is about 8424.5966075534. The cubic root of 70973828 is about 414.0308891202.

The spelling of 70973828 in words is "seventy million, nine hundred seventy-three thousand, eight hundred twenty-eight".

Divisors: 1 2 4 389 778 1556 45613 91226 182452 17743457 35486914 70973828