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340250440 = 23514957089
BaseRepresentation
bin10100010001111…
…100111101001000
3212201020111212011
4110101330331020
51144101003230
653432425304
711301036535
oct2421747510
9781214764
10340250440
11165076212
1295b48234
135565162a
143328dd8c
151ed0ee2a
hex1447cf48

340250440 has 32 divisors (see below), whose sum is σ = 770715000. Its totient is φ = 135184384.

The previous prime is 340250429. The next prime is 340250447. The reversal of 340250440 is 44052043.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 192044164 + 148206276 = 13858^2 + 12174^2 .

It is not an unprimeable number, because it can be changed into a prime (340250447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22585 + ... + 34504.

Almost surely, 2340250440 is an apocalyptic number.

It is an amenable number.

340250440 is an abundant number, since it is smaller than the sum of its proper divisors (430464560).

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

340250440 is a wasteful number, since it uses less digits than its factorization.

340250440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57249 (or 57245 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 340250440 is about 18445.8786724840. The cubic root of 340250440 is about 698.1245306720.

The spelling of 340250440 in words is "three hundred forty million, two hundred fifty thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 149 298 596 745 1192 1490 2980 5960 57089 114178 228356 285445 456712 570890 1141780 2283560 8506261 17012522 34025044 42531305 68050088 85062610 170125220 340250440