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274612989 = 37127102967
BaseRepresentation
bin10000010111100…
…100001011111101
3201010201210012110
4100113210023331
51030300103424
643125524233
76543112650
oct2027441375
9633653173
10274612989
11131014892
1277b73679
1344b7c6c1
1428685897
1519196c29
hex105e42fd

274612989 has 16 divisors (see below), whose sum is σ = 421756928. Its totient is φ = 155684592.

The previous prime is 274612937. The next prime is 274612991. The reversal of 274612989 is 989216472.

It is not a de Polignac number, because 274612989 - 216 = 274547453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274612189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48817 + ... + 54150.

It is an arithmetic number, because the mean of its divisors is an integer number (26359808).

Almost surely, 2274612989 is an apocalyptic number.

It is an amenable number.

274612989 is a deficient number, since it is larger than the sum of its proper divisors (147143939).

274612989 is a wasteful number, since it uses less digits than its factorization.

274612989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103104.

The product of its digits is 435456, while the sum is 48.

The square root of 274612989 is about 16571.4510227680. The cubic root of 274612989 is about 649.9905237277.

The spelling of 274612989 in words is "two hundred seventy-four million, six hundred twelve thousand, nine hundred eighty-nine".

Divisors: 1 3 7 21 127 381 889 2667 102967 308901 720769 2162307 13076809 39230427 91537663 274612989