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272424689 is a prime number
BaseRepresentation
bin10000001111001…
…101111011110001
3200222121121102022
4100033031323301
51024220042224
643011001225
76515400035
oct2017157361
9628547368
10272424689
1112a85a779
1277299215
1344594654
14282761c5
1518db365e
hex103cdef1

272424689 has 2 divisors, whose sum is σ = 272424690. Its totient is φ = 272424688.

The previous prime is 272424619. The next prime is 272424697. The reversal of 272424689 is 986424272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 246333025 + 26091664 = 15695^2 + 5108^2 .

It is a cyclic number.

It is not a de Polignac number, because 272424689 - 224 = 255647473 is a prime.

It is a super-2 number, since 2×2724246892 = 148430422353493442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (272424619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136212344 + 136212345.

It is an arithmetic number, because the mean of its divisors is an integer number (136212345).

Almost surely, 2272424689 is an apocalyptic number.

It is an amenable number.

272424689 is a deficient number, since it is larger than the sum of its proper divisors (1).

272424689 is an equidigital number, since it uses as much as digits as its factorization.

272424689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 44.

The square root of 272424689 is about 16505.2927571734. The cubic root of 272424689 is about 648.2593975262.

The spelling of 272424689 in words is "two hundred seventy-two million, four hundred twenty-four thousand, six hundred eighty-nine".