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70711470 = 23254119163
BaseRepresentation
bin1000011011011…
…11100010101110
311221001111220100
410031233202232
5121100231340
611003331530
71516015614
oct415574256
9157044810
1070711470
1136a07635
121b820ba6
131185a60b
1495696b4
15631b830
hex436f8ae

70711470 has 48 divisors (see below), whose sum is σ = 188343792. Its totient is φ = 18395520.

The previous prime is 70711463. The next prime is 70711471. The reversal of 70711470 is 7411707.

It is a super-2 number, since 2×707114702 = 10000223979121800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70711471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5892 + ... + 13271.

It is an arithmetic number, because the mean of its divisors is an integer number (3923829).

Almost surely, 270711470 is an apocalyptic number.

70711470 is an abundant number, since it is smaller than the sum of its proper divisors (117632322).

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

70711470 is a wasteful number, since it uses less digits than its factorization.

70711470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19217 (or 19214 counting only the distinct ones).

The product of its (nonzero) digits is 1372, while the sum is 27.

The square root of 70711470 is about 8409.0112379518. The cubic root of 70711470 is about 413.5200978443.

The spelling of 70711470 in words is "seventy million, seven hundred eleven thousand, four hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 41 45 82 90 123 205 246 369 410 615 738 1230 1845 3690 19163 38326 57489 95815 114978 172467 191630 287445 344934 574890 785683 862335 1571366 1724670 2357049 3928415 4714098 7071147 7856830 11785245 14142294 23570490 35355735 70711470