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340187528 = 2365212
BaseRepresentation
bin10100010001101…
…101100110001000
3212201010022120002
4110101231212020
51144042000103
653431222132
711300355242
oct2421554610
9781108502
10340187528
11165032a1a
1295b17948
135562bac5
1433275092
151eceb488
hex1446d988

340187528 has 12 divisors (see below), whose sum is σ = 637949445. Its totient is φ = 170067680.

The previous prime is 340187513. The next prime is 340187539. The reversal of 340187528 is 825781043.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 258502084 + 81685444 = 16078^2 + 9038^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=13042.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 340187491 and 340187500.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 48908 + ... + 55428.

Almost surely, 2340187528 is an apocalyptic number.

It is an amenable number.

340187528 is a deficient number, since it is larger than the sum of its proper divisors (297761917).

340187528 is an frugal number, since it uses more digits than its factorization.

340187528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13048 (or 6523 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 340187528 is about 18444.1732804699. The cubic root of 340187528 is about 698.0815004874.

The spelling of 340187528 in words is "three hundred forty million, one hundred eighty-seven thousand, five hundred twenty-eight".

Divisors: 1 2 4 8 6521 13042 26084 52168 42523441 85046882 170093764 340187528