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272729946 = 231710724989
BaseRepresentation
bin10000010000011…
…000011101011010
3201000012010011010
4100100120131122
51024304324241
643021314350
76521111016
oct2020303532
9630163133
10272729946
1112aa49055
12774059b6
1344670588
1428315546
1518e23d16
hex1041875a

272729946 has 32 divisors (see below), whose sum is σ = 582966720. Its totient is φ = 84759296.

The previous prime is 272729927. The next prime is 272729969. The reversal of 272729946 is 649927272.

It is a junction number, because it is equal to n+sod(n) for n = 272729895 and 272729904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1581 + ... + 23408.

It is an arithmetic number, because the mean of its divisors is an integer number (18217710).

Almost surely, 2272729946 is an apocalyptic number.

272729946 is an abundant number, since it is smaller than the sum of its proper divisors (310236774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

272729946 is a wasteful number, since it uses less digits than its factorization.

272729946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25118.

The product of its digits is 762048, while the sum is 48.

The square root of 272729946 is about 16514.5374140483. The cubic root of 272729946 is about 648.5014361045.

The spelling of 272729946 in words is "two hundred seventy-two million, seven hundred twenty-nine thousand, nine hundred forty-six".

Divisors: 1 2 3 6 17 34 51 102 107 214 321 642 1819 3638 5457 10914 24989 49978 74967 149934 424813 849626 1274439 2548878 2673823 5347646 8021469 16042938 45454991 90909982 136364973 272729946