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994720 = 2556217
BaseRepresentation
bin11110010110110100000
31212112111111
43302312200
5223312340
633153104
711312026
oct3626640
91775444
10994720
1161a391
123bb794
1328a9bc
141bc716
15149aea
hexf2da0

994720 has 24 divisors (see below), whose sum is σ = 2350404. Its totient is φ = 397824.

The previous prime is 994717. The next prime is 994723. The reversal of 994720 is 27499.

994720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (994717) and next prime (994723).

It can be written as a sum of positive squares in 2 ways, for example, as 992016 + 2704 = 996^2 + 52^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (994723) 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, 2949 + ... + 3268.

2994720 is an apocalyptic number.

It is an amenable number.

994720 is an abundant number, since it is smaller than the sum of its proper divisors (1355684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

994720 is a wasteful number, since it uses less digits than its factorization.

994720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6232 (or 6224 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 994720 is about 997.3565059697. The cubic root of 994720 is about 99.8236893282.

The spelling of 994720 in words is "nine hundred ninety-four thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 6217 12434 24868 31085 49736 62170 99472 124340 198944 248680 497360 994720