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1420994 = 27110007
BaseRepresentation
bin101011010111011000010
32200012020102
411122323002
5330432434
650242402
715035561
oct5327302
92605212
101420994
11890683
12586402
133a9a33
1428dbd8
151d107e
hex15aec2

1420994 has 8 divisors (see below), whose sum is σ = 2161728. Its totient is φ = 700420.

The previous prime is 1420981. The next prime is 1420999. The reversal of 1420994 is 4990241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1420999) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 4862 + ... + 5145.

It is an arithmetic number, because the mean of its divisors is an integer number (270216).

21420994 is an apocalyptic number.

1420994 is a deficient number, since it is larger than the sum of its proper divisors (740734).

1420994 is a wasteful number, since it uses less digits than its factorization.

1420994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10080.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1420994 is about 1192.0545289541. The cubic root of 1420994 is about 112.4253067978.

The spelling of 1420994 in words is "one million, four hundred twenty thousand, nine hundred ninety-four".

Divisors: 1 2 71 142 10007 20014 710497 1420994