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1801014 = 231717657
BaseRepresentation
bin110110111101100110110
310101111112020
412313230312
5430113024
6102334010
721210525
oct6675466
93344466
101801014
111020146
1272a306
134b09b7
1434c4bc
15258979
hex1b7b36

1801014 has 16 divisors (see below), whose sum is σ = 3814128. Its totient is φ = 564992.

The previous prime is 1801013. The next prime is 1801021. The reversal of 1801014 is 4101081.

It is a plaindrome in base 9.

It is a zygodrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 1800984 and 1801002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1801013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8727 + ... + 8930.

It is an arithmetic number, because the mean of its divisors is an integer number (238383).

21801014 is an apocalyptic number.

1801014 is an abundant number, since it is smaller than the sum of its proper divisors (2013114).

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

1801014 is a wasteful number, since it uses less digits than its factorization.

1801014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17679.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1801014 is about 1342.0186287828. The cubic root of 1801014 is about 121.6668776711. Note that the first 3 decimals are identical.

Adding to 1801014 its reverse (4101081), we get a palindrome (5902095).

The spelling of 1801014 in words is "one million, eight hundred one thousand, fourteen".

Divisors: 1 2 3 6 17 34 51 102 17657 35314 52971 105942 300169 600338 900507 1801014