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130842645 = 3519273331
BaseRepresentation
bin1111100110010…
…00000000010101
3100010012111100220
413303020000111
5231443431040
620552224553
73146100303
oct763100025
9303174326
10130842645
116794801a
123799b159
13211521ab
141353d273
15b7482d0
hex7cc8015

130842645 has 48 divisors (see below), whose sum is σ = 224649792. Its totient is φ = 65007360.

The previous prime is 130842643. The next prime is 130842667. The reversal of 130842645 is 546248031.

It is not a de Polignac number, because 130842645 - 21 = 130842643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130842643) 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 47 ways as a sum of consecutive naturals, for example, 395130 + ... + 395460.

It is an arithmetic number, because the mean of its divisors is an integer number (4680204).

Almost surely, 2130842645 is an apocalyptic number.

130842645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130842645 is a deficient number, since it is larger than the sum of its proper divisors (93807147).

130842645 is a wasteful number, since it uses less digits than its factorization.

130842645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450 (or 431 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 130842645 is about 11438.6469916682. The cubic root of 130842645 is about 507.6718759083.

The spelling of 130842645 in words is "one hundred thirty million, eight hundred forty-two thousand, six hundred forty-five".

Divisors: 1 3 5 15 19 57 73 95 219 285 331 361 365 993 1083 1095 1387 1655 1805 4161 4965 5415 6289 6935 18867 20805 24163 26353 31445 72489 79059 94335 119491 120815 131765 358473 362445 395295 459097 597455 1377291 1792365 2295485 6886455 8722843 26168529 43614215 130842645