Search a number
-
+
272220146 = 21147263269
BaseRepresentation
bin10000001110011…
…011111111110010
3200222020012211122
4100032123333302
51024142021041
643002342242
76513555512
oct2016337762
9628205748
10272220146
1112a730030
12771ba982
1344522513
1428221842
1518d72c4b
hex1039bff2

272220146 has 16 divisors (see below), whose sum is σ = 454930560. Its totient is φ = 121103280.

The previous prime is 272220119. The next prime is 272220181. The reversal of 272220146 is 641022272.

It is a super-2 number, since 2×2722201462 = 148207615776522632, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 130601 + ... + 132668.

It is an arithmetic number, because the mean of its divisors is an integer number (28433160).

Almost surely, 2272220146 is an apocalyptic number.

272220146 is a deficient number, since it is larger than the sum of its proper divisors (182710414).

272220146 is a wasteful number, since it uses less digits than its factorization.

272220146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263329.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 272220146 is about 16499.0953085313. The cubic root of 272220146 is about 648.0971139951.

The spelling of 272220146 in words is "two hundred seventy-two million, two hundred twenty thousand, one hundred forty-six".

Divisors: 1 2 11 22 47 94 517 1034 263269 526538 2895959 5791918 12373643 24747286 136110073 272220146