Search a number
-
+
1108778541 = 31328430219
BaseRepresentation
bin100001000010110…
…1001111000101101
32212021100210012220
41002011221320231
54232321403131
6302004545553
736322314333
oct10205517055
92767323186
101108778541
11519970802
1226b3b22b9
131489355a0
14a7385b53
156751be96
hex42169e2d

1108778541 has 8 divisors (see below), whose sum is σ = 1592092320. Its totient is φ = 682325232.

The previous prime is 1108778533. The next prime is 1108778557. The reversal of 1108778541 is 1458778011.

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

It is not a de Polignac number, because 1108778541 - 23 = 1108778533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1108778493 and 1108778502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1108778501) 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, 14215071 + ... + 14215148.

It is an arithmetic number, because the mean of its divisors is an integer number (199011540).

Almost surely, 21108778541 is an apocalyptic number.

It is an amenable number.

1108778541 is a deficient number, since it is larger than the sum of its proper divisors (483313779).

1108778541 is a wasteful number, since it uses less digits than its factorization.

1108778541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28430235.

The product of its (nonzero) digits is 62720, while the sum is 42.

The square root of 1108778541 is about 33298.3263993853. The cubic root of 1108778541 is about 1035.0188771091.

The spelling of 1108778541 in words is "one billion, one hundred eight million, seven hundred seventy-eight thousand, five hundred forty-one".

Divisors: 1 3 13 39 28430219 85290657 369592847 1108778541