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70249212 = 223211216127
BaseRepresentation
bin1000010111111…
…10101011111100
311220012000210200
410023332223330
5120440433322
610545403500
71512052125
oct413765374
9156160720
1070249212
1136721300
121b639590
13117280a7
14948904c
1562798ac
hex42feafc

70249212 has 54 divisors (see below), whose sum is σ = 195197184. Its totient is φ = 21286320.

The previous prime is 70249181. The next prime is 70249217. The reversal of 70249212 is 21294207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70249217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3708 + ... + 12419.

Almost surely, 270249212 is an apocalyptic number.

It is an amenable number.

70249212 is an abundant number, since it is smaller than the sum of its proper divisors (124947972).

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

70249212 is a wasteful number, since it uses less digits than its factorization.

70249212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16159 (or 16143 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 70249212 is about 8381.4802988494. The cubic root of 70249212 is about 412.6170334591.

The spelling of 70249212 in words is "seventy million, two hundred forty-nine thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 121 132 198 242 363 396 484 726 1089 1452 2178 4356 16127 32254 48381 64508 96762 145143 177397 193524 290286 354794 532191 580572 709588 1064382 1596573 1951367 2128764 3193146 3902734 5854101 6386292 7805468 11708202 17562303 23416404 35124606 70249212