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1115240341 = 17409160397
BaseRepresentation
bin100001001111001…
…0011011110010101
32212201112002010211
41002132103132111
54241000142331
6302355245421
736431246365
oct10236233625
92781462124
101115240341
11522584636
122715a9871
1314a088837
14a81889a5
1567d968b1
hex42793795

1115240341 has 8 divisors (see below), whose sum is σ = 1183737240. Its totient is φ = 1047065088.

The previous prime is 1115240317. The next prime is 1115240351. The reversal of 1115240341 is 1430425111.

It can be written as a sum of positive squares in 4 ways, for example, as 347673316 + 767567025 = 18646^2 + 27705^2 .

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

It is not a de Polignac number, because 1115240341 - 25 = 1115240309 is a prime.

It is a super-2 number, since 2×11152403412 = 2487522036387592562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115240351) 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, 73246 + ... + 87151.

It is an arithmetic number, because the mean of its divisors is an integer number (147967155).

Almost surely, 21115240341 is an apocalyptic number.

It is an amenable number.

1115240341 is a deficient number, since it is larger than the sum of its proper divisors (68496899).

1115240341 is a wasteful number, since it uses less digits than its factorization.

1115240341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160823.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1115240341 is about 33395.2143427767. The cubic root of 1115240341 is about 1037.0256302585.

Adding to 1115240341 its reverse (1430425111), we get a palindrome (2545665452).

The spelling of 1115240341 in words is "one billion, one hundred fifteen million, two hundred forty thousand, three hundred forty-one".

Divisors: 1 17 409 6953 160397 2726749 65602373 1115240341