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912031828 = 22228007957
BaseRepresentation
bin110110010111001…
…000000001010100
32100120011000110121
4312113020001110
53331440004303
6230300001324
731413066631
oct6627100124
92316130417
10912031828
11428900014
12215530244
13116c4a006
14891ad188
15551069bd
hex365c8054

912031828 has 6 divisors (see below), whose sum is σ = 1596055706. Its totient is φ = 456015912.

The previous prime is 912031823. The next prime is 912031847. The reversal of 912031828 is 828130219.

It can be written as a sum of positive squares in only one way, i.e., 552626064 + 359405764 = 23508^2 + 18958^2 .

It is a junction number, because it is equal to n+sod(n) for n = 912031793 and 912031802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (912031823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114003975 + ... + 114003982.

Almost surely, 2912031828 is an apocalyptic number.

It is an amenable number.

912031828 is a deficient number, since it is larger than the sum of its proper divisors (684023878).

912031828 is a wasteful number, since it uses less digits than its factorization.

912031828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228007961 (or 228007959 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 912031828 is about 30199.8647016837. The cubic root of 912031828 is about 969.7727983122.

The spelling of 912031828 in words is "nine hundred twelve million, thirty-one thousand, eight hundred twenty-eight".

Divisors: 1 2 4 228007957 456015914 912031828