Search a number
-
+
2471004 = 223268639
BaseRepresentation
bin1001011011010001011100
311122112120200
421123101130
51113033004
6124543500
730001044
oct11332134
94575520
102471004
111438558
129b1b90
13686943
14484724
1533c239
hex25b45c

2471004 has 18 divisors (see below), whose sum is σ = 6246240. Its totient is φ = 823656.

The previous prime is 2470991. The next prime is 2471009. The reversal of 2471004 is 4001742.

It is a happy number.

2471004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×24710042 = 12211721536032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2471009) 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 5 ways as a sum of consecutive naturals, for example, 34284 + ... + 34355.

22471004 is an apocalyptic number.

It is an amenable number.

2471004 is an abundant number, since it is smaller than the sum of its proper divisors (3775236).

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

2471004 is a wasteful number, since it uses less digits than its factorization.

2471004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68649 (or 68644 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 2471004 is about 1571.9427470490. The cubic root of 2471004 is about 135.1941240167.

Adding to 2471004 its reverse (4001742), we get a palindrome (6472746).

The spelling of 2471004 in words is "two million, four hundred seventy-one thousand, four".

Divisors: 1 2 3 4 6 9 12 18 36 68639 137278 205917 274556 411834 617751 823668 1235502 2471004