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130730378 = 2113578453
BaseRepresentation
bin1111100101011…
…00100110001010
3100002222210100212
413302230212022
5231431333003
620550001122
73145122062
oct762544612
9302883325
10130730378
1167880739
12379461a2
132111306c
14135103a2
15b724dd8
hex7cac98a

130730378 has 8 divisors (see below), whose sum is σ = 197831268. Its totient is φ = 64786624.

The previous prime is 130730377. The next prime is 130730387. The reversal of 130730378 is 873037031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 127622209 + 3108169 = 11297^2 + 1763^2 .

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

It is not an unprimeable number, because it can be changed into a prime (130730377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289001 + ... + 289452.

Almost surely, 2130730378 is an apocalyptic number.

130730378 is a deficient number, since it is larger than the sum of its proper divisors (67100890).

130730378 is a wasteful number, since it uses less digits than its factorization.

130730378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578568.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 130730378 is about 11433.7385836829. The cubic root of 130730378 is about 507.5266350165.

The spelling of 130730378 in words is "one hundred thirty million, seven hundred thirty thousand, three hundred seventy-eight".

Divisors: 1 2 113 226 578453 1156906 65365189 130730378