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1421794 = 21164627
BaseRepresentation
bin101011011000111100010
32200020100001
411123013202
5330444134
650250214
715041113
oct5330742
92606301
101421794
11891240
1258696a
133aa1ca
1429020a
151d1414
hex15b1e2

1421794 has 8 divisors (see below), whose sum is σ = 2326608. Its totient is φ = 646260.

The previous prime is 1421779. The next prime is 1421801. The reversal of 1421794 is 4971241.

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

It is a super-3 number, since 3×14217943 = 8622461943333702552, which contains 333 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 32292 + ... + 32335.

It is an arithmetic number, because the mean of its divisors is an integer number (290826).

21421794 is an apocalyptic number.

1421794 is a deficient number, since it is larger than the sum of its proper divisors (904814).

1421794 is a wasteful number, since it uses less digits than its factorization.

1421794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64640.

The product of its digits is 2016, while the sum is 28.

The square root of 1421794 is about 1192.3900368587. The cubic root of 1421794 is about 112.4464008048.

It can be divided in two parts, 142 and 1794, that added together give a square (1936 = 442).

The spelling of 1421794 in words is "one million, four hundred twenty-one thousand, seven hundred ninety-four".

Divisors: 1 2 11 22 64627 129254 710897 1421794