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988885361 = 6714759483
BaseRepresentation
bin111010111100010…
…011000101110001
32112220202120200202
4322330103011301
54011123312421
6242043124545
733335246462
oct7274230561
92486676622
10988885361
11468222232
12237213755
13129b48189
1495496d69
155bc3810b
hex3af13171

988885361 has 4 divisors (see below), whose sum is σ = 1003644912. Its totient is φ = 974125812.

The previous prime is 988885351. The next prime is 988885363. The reversal of 988885361 is 163588889.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-988885361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 988885297 and 988885306.

It is not an unprimeable number, because it can be changed into a prime (988885363) 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, 7379675 + ... + 7379808.

It is an arithmetic number, because the mean of its divisors is an integer number (250911228).

Almost surely, 2988885361 is an apocalyptic number.

It is an amenable number.

988885361 is a deficient number, since it is larger than the sum of its proper divisors (14759551).

988885361 is a wasteful number, since it uses less digits than its factorization.

988885361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14759550.

The product of its digits is 3317760, while the sum is 56.

The square root of 988885361 is about 31446.5476801508. The cubic root of 988885361 is about 996.2813088107.

The spelling of 988885361 in words is "nine hundred eighty-eight million, eight hundred eighty-five thousand, three hundred sixty-one".

Divisors: 1 67 14759483 988885361