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272174381 is a prime number
BaseRepresentation
bin10000001110010…
…000110100101101
3200222010220001122
4100032100310231
51024134040011
643001350325
76513305213
oct2016206455
9628126048
10272174381
1112a6a9706
12771983a5
134450773b
142820ccb3
1518d643db
hex10390d2d

272174381 has 2 divisors, whose sum is σ = 272174382. Its totient is φ = 272174380.

The previous prime is 272174323. The next prime is 272174393. The reversal of 272174381 is 183471272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 192071881 + 80102500 = 13859^2 + 8950^2 .

It is a cyclic number.

It is not a de Polignac number, because 272174381 - 214 = 272157997 is a prime.

It is a super-2 number, since 2×2721743812 = 148157787345466322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272104381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136087190 + 136087191.

It is an arithmetic number, because the mean of its divisors is an integer number (136087191).

Almost surely, 2272174381 is an apocalyptic number.

It is an amenable number.

272174381 is a deficient number, since it is larger than the sum of its proper divisors (1).

272174381 is an equidigital number, since it uses as much as digits as its factorization.

272174381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18816, while the sum is 35.

The square root of 272174381 is about 16497.7083560111. The cubic root of 272174381 is about 648.0607931139.

The spelling of 272174381 in words is "two hundred seventy-two million, one hundred seventy-four thousand, three hundred eighty-one".