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2543004 = 223270639
BaseRepresentation
bin1001101100110110011100
311210012100100
421230312130
51122334004
6130301100
730421002
oct11546634
94705310
102543004
111487662
12a27790
136b0649
144a2a72
15353739
hex26cd9c

2543004 has 18 divisors (see below), whose sum is σ = 6428240. Its totient is φ = 847656.

The previous prime is 2542999. The next prime is 2543027. The reversal of 2543004 is 4003452.

It is a happy number.

2543004 is digitally balanced in base 5, 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 Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35284 + ... + 35355.

22543004 is an apocalyptic number.

It is an amenable number.

2543004 is an abundant number, since it is smaller than the sum of its proper divisors (3885236).

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

2543004 is a wasteful number, since it uses less digits than its factorization.

2543004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70649 (or 70644 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 2543004 is about 1594.6799051847. The cubic root of 2543004 is about 136.4946662972.

Adding to 2543004 its reverse (4003452), we get a palindrome (6546456).

The spelling of 2543004 in words is "two million, five hundred forty-three thousand, four".

Divisors: 1 2 3 4 6 9 12 18 36 70639 141278 211917 282556 423834 635751 847668 1271502 2543004