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135430545 = 35372391021
BaseRepresentation
bin10000001001010…
…00000110010001
3100102211120210010
420010220012101
5234132234140
621234425133
73233066145
oct1004500621
9312746703
10135430545
116a4a0a78
12394321a9
132209a523
1413db5225
15bd52880
hex8128191

135430545 has 32 divisors (see below), whose sum is σ = 223695360. Its totient is φ = 69914880.

The previous prime is 135430543. The next prime is 135430571. The reversal of 135430545 is 545034531.

135430545 = 4112 + 4122 + ... + 7802.

It is not a de Polignac number, because 135430545 - 21 = 135430543 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (135430543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132135 + ... + 133155.

It is an arithmetic number, because the mean of its divisors is an integer number (6990480).

Almost surely, 2135430545 is an apocalyptic number.

135430545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135430545 is a deficient number, since it is larger than the sum of its proper divisors (88264815).

135430545 is a wasteful number, since it uses less digits than its factorization.

135430545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 135430545 is about 11637.4629967188. The cubic root of 135430545 is about 513.5375546101.

The spelling of 135430545 in words is "one hundred thirty-five million, four hundred thirty thousand, five hundred forty-five".

Divisors: 1 3 5 15 37 111 185 239 555 717 1021 1195 3063 3585 5105 8843 15315 26529 37777 44215 113331 132645 188885 244019 566655 732057 1220095 3660285 9028703 27086109 45143515 135430545