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130748341 = 151186531
BaseRepresentation
bin1111100101100…
…00111110110101
3100010000201000011
413302300332311
5231432421331
620550220221
73145225333
oct762607665
9303021004
10130748341
1167893189
1237954671
132111b2a9
1413516b53
15b72a3b1
hex7cb0fb5

130748341 has 4 divisors (see below), whose sum is σ = 130836384. Its totient is φ = 130660300.

The previous prime is 130748287. The next prime is 130748347. The reversal of 130748341 is 143847031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 143847031 = 541265891.

It is a cyclic number.

It is not a de Polignac number, because 130748341 - 223 = 122359733 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130748347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41755 + ... + 44776.

It is an arithmetic number, because the mean of its divisors is an integer number (32709096).

Almost surely, 2130748341 is an apocalyptic number.

It is an amenable number.

130748341 is a deficient number, since it is larger than the sum of its proper divisors (88043).

130748341 is an equidigital number, since it uses as much as digits as its factorization.

130748341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88042.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 130748341 is about 11434.5240827942. The cubic root of 130748341 is about 507.5498795078.

The spelling of 130748341 in words is "one hundred thirty million, seven hundred forty-eight thousand, three hundred forty-one".

Divisors: 1 1511 86531 130748341