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136021360 = 2451700267
BaseRepresentation
bin10000001101110…
…00010101110000
3100110221121020011
420012320111300
5234310140420
621255224304
73241106506
oct1006702560
9313847204
10136021360
116a864952
1239678094
1322246417
14140ca676
15be1c95a
hex81b8570

136021360 has 20 divisors (see below), whose sum is σ = 316249848. Its totient is φ = 54408512.

The previous prime is 136021343. The next prime is 136021367. The reversal of 136021360 is 63120631.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136021367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 850054 + ... + 850213.

Almost surely, 2136021360 is an apocalyptic number.

136021360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136021360 is an abundant number, since it is smaller than the sum of its proper divisors (180228488).

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

136021360 is a wasteful number, since it uses less digits than its factorization.

136021360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700280 (or 1700274 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 136021360 is about 11662.8195561794. The cubic root of 136021360 is about 514.2832395531.

Adding to 136021360 its reverse (63120631), we get a palindrome (199141991).

The spelling of 136021360 in words is "one hundred thirty-six million, twenty-one thousand, three hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1700267 3400534 6801068 8501335 13602136 17002670 27204272 34005340 68010680 136021360