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274198940 = 22547291701
BaseRepresentation
bin10000010101111…
…111000110011100
3201002221202020022
4100111333012130
51030143331230
643113011312
76536436551
oct2025770634
9632852208
10274198940
111308617a4
12779b3b38
1344a660c2
14285b8a28
15191141e5
hex1057f19c

274198940 has 24 divisors (see below), whose sum is σ = 588071232. Its totient is φ = 107345600.

The previous prime is 274198927. The next prime is 274198979. The reversal of 274198940 is 49891472.

It is a junction number, because it is equal to n+sod(n) for n = 274198891 and 274198900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144911 + ... + 146790.

It is an arithmetic number, because the mean of its divisors is an integer number (24502968).

Almost surely, 2274198940 is an apocalyptic number.

274198940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

274198940 is an abundant number, since it is smaller than the sum of its proper divisors (313872292).

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

274198940 is a wasteful number, since it uses less digits than its factorization.

274198940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291757 (or 291755 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 274198940 is about 16558.9534693470. The cubic root of 274198940 is about 649.6636840052.

The spelling of 274198940 in words is "two hundred seventy-four million, one hundred ninety-eight thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 291701 583402 1166804 1458505 2917010 5834020 13709947 27419894 54839788 68549735 137099470 274198940