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274856740 = 22513742837
BaseRepresentation
bin10000011000011…
…111101100100100
3201011012011120021
4100120133230210
51030330403430
643135044524
76545146414
oct2030375444
9634164507
10274856740
11131170a34
1278070744
1344c36632
142870a644
15191e407a
hex1061fb24

274856740 has 12 divisors (see below), whose sum is σ = 577199196. Its totient is φ = 109942688.

The previous prime is 274856737. The next prime is 274856759. The reversal of 274856740 is 47658472.

It can be written as a sum of positive squares in 2 ways, for example, as 75030244 + 199826496 = 8662^2 + 14136^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6871399 + ... + 6871438.

It is an arithmetic number, because the mean of its divisors is an integer number (48099933).

Almost surely, 2274856740 is an apocalyptic number.

274856740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

274856740 is an abundant number, since it is smaller than the sum of its proper divisors (302342456).

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

274856740 is a wasteful number, since it uses less digits than its factorization.

274856740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13742846 (or 13742844 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 43.

The square root of 274856740 is about 16578.8039375583. The cubic root of 274856740 is about 650.1827809441.

It can be divided in two parts, 27485 and 6740, that added together give a square (34225 = 1852).

The spelling of 274856740 in words is "two hundred seventy-four million, eight hundred fifty-six thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 13742837 27485674 54971348 68714185 137428370 274856740