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274650140 = 22547292181
BaseRepresentation
bin10000010111101…
…101010000011100
3201010210200011102
4100113231100130
51030302301030
643130412232
76543326162
oct2027552034
9633720142
10274650140
1113103a796
1277b91078
1344b9359b
1428695232
15191a2c45
hex105ed41c

274650140 has 24 divisors (see below), whose sum is σ = 589038912. Its totient is φ = 107522240.

The previous prime is 274650139. The next prime is 274650143. The reversal of 274650140 is 41056472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274650143) 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 7 ways as a sum of consecutive naturals, for example, 145151 + ... + 147030.

It is an arithmetic number, because the mean of its divisors is an integer number (24543288).

Almost surely, 2274650140 is an apocalyptic number.

274650140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

274650140 is an abundant number, since it is smaller than the sum of its proper divisors (314388772).

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

274650140 is a wasteful number, since it uses less digits than its factorization.

274650140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292237 (or 292235 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 274650140 is about 16572.5719186854. The cubic root of 274650140 is about 650.0198337143.

The spelling of 274650140 in words is "two hundred seventy-four million, six hundred fifty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 292181 584362 1168724 1460905 2921810 5843620 13732507 27465014 54930028 68662535 137325070 274650140