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8402024 = 231050253
BaseRepresentation
bin100000000011…
…010001101000
3120210212102002
4200003101220
54122331044
6500030132
7131262461
oct40032150
916725362
108402024
114819624
122992348
131982417
141189d68
15b0e74e
hex803468

8402024 has 8 divisors (see below), whose sum is σ = 15753810. Its totient is φ = 4201008.

The previous prime is 8401999. The next prime is 8402027. The reversal of 8402024 is 4202048.

It can be written as a sum of positive squares in only one way, i.e., 8305924 + 96100 = 2882^2 + 310^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 8401987 and 8402005.

It is not an unprimeable number, because it can be changed into a prime (8402027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525119 + ... + 525134.

Almost surely, 28402024 is an apocalyptic number.

It is an amenable number.

8402024 is a deficient number, since it is larger than the sum of its proper divisors (7351786).

8402024 is a wasteful number, since it uses less digits than its factorization.

8402024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050259 (or 1050255 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 8402024 is about 2898.6245013799. The cubic root of 8402024 is about 203.2955969266.

The spelling of 8402024 in words is "eight million, four hundred two thousand, twenty-four".

Divisors: 1 2 4 8 1050253 2100506 4201012 8402024