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70783996 = 2238945491
BaseRepresentation
bin1000011100000…
…01001111111100
311221012012101111
410032001033330
5121110041441
611005051404
71516440223
oct416011774
9157165344
1070783996
1136a57078
121b856b64
131188462a
149587cba
156333081
hex43813fc

70783996 has 12 divisors (see below), whose sum is σ = 124193160. Its totient is φ = 35300240.

The previous prime is 70783981. The next prime is 70784047. The reversal of 70783996 is 69938707.

It is a congruent number.

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, 21190 + ... + 24301.

It is an arithmetic number, because the mean of its divisors is an integer number (10349430).

Almost surely, 270783996 is an apocalyptic number.

It is an amenable number.

70783996 is a deficient number, since it is larger than the sum of its proper divisors (53409164).

70783996 is a wasteful number, since it uses less digits than its factorization.

70783996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45884 (or 45882 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 70783996 is about 8413.3225303681. The cubic root of 70783996 is about 413.6614266883.

The spelling of 70783996 in words is "seventy million, seven hundred eighty-three thousand, nine hundred ninety-six".

Divisors: 1 2 4 389 778 1556 45491 90982 181964 17695999 35391998 70783996