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70472620 = 22526913099
BaseRepresentation
bin1000011001101…
…01001110101100
311220121101021001
410030311032230
5121020110440
610554250044
71514002351
oct414651654
9156541231
1070472620
1136864139
121b726924
13117a599a
149506628
1562c0b9a
hex43353ac

70472620 has 24 divisors (see below), whose sum is σ = 148554000. Its totient is φ = 28082112.

The previous prime is 70472617. The next prime is 70472627. The reversal of 70472620 is 2627407.

It is not an unprimeable number, because it can be changed into a prime (70472627) 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 7 ways as a sum of consecutive naturals, for example, 1170 + ... + 11929.

It is an arithmetic number, because the mean of its divisors is an integer number (6189750).

Almost surely, 270472620 is an apocalyptic number.

It is an amenable number.

70472620 is an abundant number, since it is smaller than the sum of its proper divisors (78081380).

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

70472620 is a wasteful number, since it uses less digits than its factorization.

70472620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13377 (or 13375 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 70472620 is about 8394.7971982651. The cubic root of 70472620 is about 413.0539750096.

The spelling of 70472620 in words is "seventy million, four hundred seventy-two thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 269 538 1076 1345 2690 5380 13099 26198 52396 65495 130990 261980 3523631 7047262 14094524 17618155 35236310 70472620