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272630731 is a prime number
BaseRepresentation
bin10000010000000…
…000001111001011
3201000000002001111
4100100000033023
51024243140411
643015231151
76520215532
oct2020001713
9630002044
10272630731
1112a99055a
12773784b7
1344637379
14282cb319
1518e04721
hex104003cb

272630731 has 2 divisors, whose sum is σ = 272630732. Its totient is φ = 272630730.

The previous prime is 272630723. The next prime is 272630741. The reversal of 272630731 is 137036272.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 272630731 - 23 = 272630723 is a prime.

It is a super-2 number, since 2×2726307312 = 148655030971188722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 272630693 and 272630702.

It is not a weakly prime, because it can be changed into another prime (272630741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136315365 + 136315366.

It is an arithmetic number, because the mean of its divisors is an integer number (136315366).

Almost surely, 2272630731 is an apocalyptic number.

272630731 is a deficient number, since it is larger than the sum of its proper divisors (1).

272630731 is an equidigital number, since it uses as much as digits as its factorization.

272630731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 272630731 is about 16511.5332722313. The cubic root of 272630731 is about 648.4227882521.

The spelling of 272630731 in words is "two hundred seventy-two million, six hundred thirty thousand, seven hundred thirty-one".