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130284177 = 3197220447
BaseRepresentation
bin1111100001111…
…11101010010001
3100002011010021220
413300333222101
5231323043202
620532235253
73141253152
oct760775221
9302133256
10130284177
11675a6481
123776bb29
1320cb7c3a
1413435929
15b687abc
hex7c3fa91

130284177 has 8 divisors (see below), whose sum is σ = 174594816. Its totient is φ = 86414832.

The previous prime is 130284173. The next prime is 130284191. The reversal of 130284177 is 771482031.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 130284177 - 22 = 130284173 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130284173) 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, 109633 + ... + 110814.

It is an arithmetic number, because the mean of its divisors is an integer number (21824352).

Almost surely, 2130284177 is an apocalyptic number.

It is an amenable number.

130284177 is a deficient number, since it is larger than the sum of its proper divisors (44310639).

130284177 is a wasteful number, since it uses less digits than its factorization.

130284177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220647.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 130284177 is about 11414.2094338592. The cubic root of 130284177 is about 506.9485571169.

It can be divided in two parts, 13028 and 4177, that added together give a triangular number (17205 = T185).

The spelling of 130284177 in words is "one hundred thirty million, two hundred eighty-four thousand, one hundred seventy-seven".

Divisors: 1 3 197 591 220447 661341 43428059 130284177