Search a number
-
+
270213970 = 25137983317
BaseRepresentation
bin10000000110110…
…010001101010010
3200211110021212211
4100012302031102
51023133321340
642451342334
76460531555
oct2006621522
9624407784
10270213970
1112958a834
12765b19aa
1343c9c330
1427c5c69c
1518ac85ea
hex101b2352

270213970 has 64 divisors (see below), whose sum is σ = 538513920. Its totient is φ = 97014528.

The previous prime is 270213917. The next prime is 270213971. The reversal of 270213970 is 79312072.

It is not an unprimeable number, because it can be changed into a prime (270213971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 852252 + ... + 852568.

It is an arithmetic number, because the mean of its divisors is an integer number (8414280).

Almost surely, 2270213970 is an apocalyptic number.

270213970 is a deficient number, since it is larger than the sum of its proper divisors (268299950).

270213970 is a wasteful number, since it uses less digits than its factorization.

270213970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 270213970 is about 16438.1863354812. The cubic root of 270213970 is about 646.5010968875.

The spelling of 270213970 in words is "two hundred seventy million, two hundred thirteen thousand, nine hundred seventy".

Divisors: 1 2 5 10 13 26 65 79 83 130 158 166 317 395 415 634 790 830 1027 1079 1585 2054 2158 3170 4121 5135 5395 6557 8242 10270 10790 13114 20605 25043 26311 32785 41210 50086 52622 65570 85241 125215 131555 170482 250430 263110 325559 342043 426205 651118 684086 852410 1627795 1710215 2078569 3255590 3420430 4157138 10392845 20785690 27021397 54042794 135106985 270213970