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1309184341 = 19179384941
BaseRepresentation
bin100111000001000…
…1001000101010101
310101020110110021221
41032002021011111
510140122344331
6333524210341
744304611653
oct11602110525
93336413257
101309184341
11612000633
123065399b1
1317b3024ba
14c5c31dd3
1579e06711
hex4e089155

1309184341 has 8 divisors (see below), whose sum is σ = 1385791200. Its totient is φ = 1233347760.

The previous prime is 1309184329. The next prime is 1309184353. The reversal of 1309184341 is 1434819031.

It is an interprime number because it is at equal distance from previous prime (1309184329) and next prime (1309184353).

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

It is not a de Polignac number, because 1309184341 - 217 = 1309053269 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1309184297 and 1309184306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1309184141) 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, 189070 + ... + 195871.

It is an arithmetic number, because the mean of its divisors is an integer number (173223900).

Almost surely, 21309184341 is an apocalyptic number.

It is an amenable number.

1309184341 is a deficient number, since it is larger than the sum of its proper divisors (76606859).

1309184341 is a wasteful number, since it uses less digits than its factorization.

1309184341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385139.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 1309184341 is about 36182.6524870690. The cubic root of 1309184341 is about 1093.9570397679.

The spelling of 1309184341 in words is "one billion, three hundred nine million, one hundred eighty-four thousand, three hundred forty-one".

Divisors: 1 19 179 3401 384941 7313879 68904439 1309184341