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8380842 = 238316829
BaseRepresentation
bin11111111110000110101010
3120202210100120
4133332012222
54121141332
6455344110
7131143641
oct37760652
916683316
108380842
114804718
122982036
1319758a2
141182358
15b0832c
hex7fe1aa

8380842 has 16 divisors (see below), whose sum is σ = 16964640. Its totient is φ = 2759792.

The previous prime is 8380831. The next prime is 8380859. The reversal of 8380842 is 2480838.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7917 + ... + 8912.

It is an arithmetic number, because the mean of its divisors is an integer number (1060290).

Almost surely, 28380842 is an apocalyptic number.

8380842 is an abundant number, since it is smaller than the sum of its proper divisors (8583798).

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

8380842 is a wasteful number, since it uses less digits than its factorization.

8380842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16917.

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 8380842 is about 2894.9683936099. The cubic root of 8380842 is about 203.1246130801.

The spelling of 8380842 in words is "eight million, three hundred eighty thousand, eight hundred forty-two".

Divisors: 1 2 3 6 83 166 249 498 16829 33658 50487 100974 1396807 2793614 4190421 8380842