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1142994 = 23197967
BaseRepresentation
bin100010111000011010010
32011001220010
410113003102
5243033434
640255350
712500226
oct4270322
92131803
101142994
11710826
12471556
13310338
1421a786
151789e9
hex1170d2

1142994 has 16 divisors (see below), whose sum is σ = 2299968. Its totient is φ = 378672.

The previous prime is 1142971. The next prime is 1143013. The reversal of 1142994 is 4992411.

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, 699 + ... + 1665.

It is an arithmetic number, because the mean of its divisors is an integer number (143748).

21142994 is an apocalyptic number.

1142994 is an abundant number, since it is smaller than the sum of its proper divisors (1156974).

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

1142994 is a wasteful number, since it uses less digits than its factorization.

1142994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169.

The product of its digits is 2592, while the sum is 30.

The square root of 1142994 is about 1069.1089748010. The cubic root of 1142994 is about 104.5557648994. Note that the first 3 decimals are identical.

The spelling of 1142994 in words is "one million, one hundred forty-two thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 197 394 591 967 1182 1934 2901 5802 190499 380998 571497 1142994