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70106530 = 25132323447
BaseRepresentation
bin1000010110110…
…11110110100010
311212220210002011
410023123312202
5120421402110
610542343134
71510616134
oct413336642
9155823064
1070106530
113663408a
121b58aaaa
13116a8170
14944d054
15624c48a
hex42dbda2

70106530 has 32 divisors (see below), whose sum is σ = 141813504. Its totient is φ = 24758976.

The previous prime is 70106513. The next prime is 70106537. The reversal of 70106530 is 3560107.

It is not an unprimeable number, because it can be changed into a prime (70106537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8734 + ... + 14713.

It is an arithmetic number, because the mean of its divisors is an integer number (4431672).

Almost surely, 270106530 is an apocalyptic number.

70106530 is an abundant number, since it is smaller than the sum of its proper divisors (71706974).

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

70106530 is a wasteful number, since it uses less digits than its factorization.

70106530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23490.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 70106530 is about 8372.9642301875. The cubic root of 70106530 is about 412.3374909295.

Adding to 70106530 its reverse (3560107), we get a palindrome (73666637).

The spelling of 70106530 in words is "seventy million, one hundred six thousand, five hundred thirty".

Divisors: 1 2 5 10 13 23 26 46 65 115 130 230 299 598 1495 2990 23447 46894 117235 234470 304811 539281 609622 1078562 1524055 2696405 3048110 5392810 7010653 14021306 35053265 70106530