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919423684 = 22151612
BaseRepresentation
bin110110110011010…
…100101011000100
32101002001120012001
4312303110223010
53340333024214
6231122235044
731532654344
oct6663245304
92332046161
10919423684
11431a99693
12217ab5a84
131186376aa
148a174d24
1555ab6c74
hex36cd4ac4

919423684 has 9 divisors (see below), whose sum is σ = 1609097581. Its totient is φ = 459681520.

The previous prime is 919423657. The next prime is 919423691. The reversal of 919423684 is 486324919.

The square root of 919423684 is 30322.

It is a perfect power (a square), and thus also a powerful number.

919423684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 509766084 + 409657600 = 22578^2 + 20240^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 53064 + ... + 68224.

Almost surely, 2919423684 is an apocalyptic number.

919423684 is the 30322-nd square number.

It is an amenable number.

919423684 is a deficient number, since it is larger than the sum of its proper divisors (689673897).

919423684 is an frugal number, since it uses more digits than its factorization.

919423684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30326 (or 15163 counting only the distinct ones).

The product of its digits is 373248, while the sum is 46.

The cubic root of 919423684 is about 972.3856973838.

The spelling of 919423684 in words is "nine hundred nineteen million, four hundred twenty-three thousand, six hundred eighty-four".

Divisors: 1 2 4 15161 30322 60644 229855921 459711842 919423684