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274208742 = 23217896107
BaseRepresentation
bin10000010110000…
…001011111100110
3201002222020200100
4100112001133212
51030144134432
643113124530
76536510253
oct2026013746
9632866610
10274208742
111308690a5
12779b9746
1344a6a6c2
14285bc42a
151911707c
hex105817e6

274208742 has 24 divisors (see below), whose sum is σ = 629067816. Its totient is φ = 86026176.

The previous prime is 274208731. The next prime is 274208743. The reversal of 274208742 is 247802472.

It is a junction number, because it is equal to n+sod(n) for n = 274208697 and 274208706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274208743) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 447748 + ... + 448359.

It is an arithmetic number, because the mean of its divisors is an integer number (26211159).

Almost surely, 2274208742 is an apocalyptic number.

274208742 is an abundant number, since it is smaller than the sum of its proper divisors (354859074).

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

274208742 is a wasteful number, since it uses less digits than its factorization.

274208742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896132 (or 896129 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 36.

The square root of 274208742 is about 16559.2494395126. The cubic root of 274208742 is about 649.6714252551.

The spelling of 274208742 in words is "two hundred seventy-four million, two hundred eight thousand, seven hundred forty-two".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 306 896107 1792214 2688321 5376642 8064963 15233819 16129926 30467638 45701457 91402914 137104371 274208742