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272772431 is a prime number
BaseRepresentation
bin10000010000100…
…010110101001111
3201000021021102122
4100100202311033
51024312204211
643022243155
76521345621
oct2020426517
9630237378
10272772431
1112aa77a68
12774264bb
1344686a09
1428326c11
1518e316db
hex10422d4f

272772431 has 2 divisors, whose sum is σ = 272772432. Its totient is φ = 272772430.

The previous prime is 272772427. The next prime is 272772449. The reversal of 272772431 is 134277272.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 272772431 - 22 = 272772427 is a prime.

It is a super-2 number, since 2×2727724312 = 148809598227299522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 272772391 and 272772400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272772481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136386215 + 136386216.

It is an arithmetic number, because the mean of its divisors is an integer number (136386216).

Almost surely, 2272772431 is an apocalyptic number.

272772431 is a deficient number, since it is larger than the sum of its proper divisors (1).

272772431 is an equidigital number, since it uses as much as digits as its factorization.

272772431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32928, while the sum is 35.

The square root of 272772431 is about 16515.8236549074. The cubic root of 272772431 is about 648.5351081837.

The spelling of 272772431 in words is "two hundred seventy-two million, seven hundred seventy-two thousand, four hundred thirty-one".