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1081402 = 2777243
BaseRepresentation
bin100001000000000111010
32000221101221
410020000322
5234101102
635102254
712122530
oct4100072
92027357
101081402
11679523
1244198a
132bb2aa
14202150
15165637
hex10803a

1081402 has 8 divisors (see below), whose sum is σ = 1853856. Its totient is φ = 463452.

The previous prime is 1081369. The next prime is 1081403. The reversal of 1081402 is 2041801.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (1081403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38608 + ... + 38635.

It is an arithmetic number, because the mean of its divisors is an integer number (231732).

21081402 is an apocalyptic number.

1081402 is a deficient number, since it is larger than the sum of its proper divisors (772454).

1081402 is an equidigital number, since it uses as much as digits as its factorization.

1081402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77252.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1081402 is about 1039.9048033354. The cubic root of 1081402 is about 102.6429336457.

The spelling of 1081402 in words is "one million, eighty-one thousand, four hundred two".

Divisors: 1 2 7 14 77243 154486 540701 1081402