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1942984 = 23242873
BaseRepresentation
bin111011010010111001000
310122201021101
413122113020
5444133414
6105351144
722341451
oct7322710
93581241
101942984
11110787a
127984b4
135304c4
14388128
15285a74
hex1da5c8

1942984 has 8 divisors (see below), whose sum is σ = 3643110. Its totient is φ = 971488.

The previous prime is 1942979. The next prime is 1943021. The reversal of 1942984 is 4892491.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1898884 + 44100 = 1378^2 + 210^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121429 + ... + 121444.

21942984 is an apocalyptic number.

It is an amenable number.

1942984 is a deficient number, since it is larger than the sum of its proper divisors (1700126).

1942984 is a wasteful number, since it uses less digits than its factorization.

1942984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242879 (or 242875 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 1942984 is about 1393.9096096950. The cubic root of 1942984 is about 124.7832831543.

It can be divided in two parts, 1942 and 984, that added together give a triangular number (2926 = T76).

The spelling of 1942984 in words is "one million, nine hundred forty-two thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 242873 485746 971492 1942984