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70977272 = 2367313183
BaseRepresentation
bin1000011101100…
…00011011111000
311221120000111212
410032300123320
5121132233042
611013142252
71521203552
oct416603370
9157500455
1070977272
1137079303
121b92a988
13119215b2
1495d84d2
156370482
hex43b06f8

70977272 has 16 divisors (see below), whose sum is σ = 133290240. Its totient is φ = 35433216.

The previous prime is 70977271. The next prime is 70977299. The reversal of 70977272 is 27277907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70977271) by changing a digit.

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, 1208 + ... + 11975.

It is an arithmetic number, because the mean of its divisors is an integer number (8330640).

Almost surely, 270977272 is an apocalyptic number.

It is an amenable number.

70977272 is a deficient number, since it is larger than the sum of its proper divisors (62312968).

70977272 is a wasteful number, since it uses less digits than its factorization.

70977272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13862 (or 13858 counting only the distinct ones).

The product of its (nonzero) digits is 86436, while the sum is 41.

The square root of 70977272 is about 8424.8010065520. The cubic root of 70977272 is about 414.0375859518.

The spelling of 70977272 in words is "seventy million, nine hundred seventy-seven thousand, two hundred seventy-two".

Divisors: 1 2 4 8 673 1346 2692 5384 13183 26366 52732 105464 8872159 17744318 35488636 70977272