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2469540 = 223579521
BaseRepresentation
bin1001011010111010100100
311122110120110
421122322210
51113011130
6124533020
726663553
oct11327244
94573513
102469540
111437447
129b1170
13686088
14483d9a
1533bab0
hex25aea4

2469540 has 48 divisors (see below), whose sum is σ = 7015680. Its totient is φ = 648960.

The previous prime is 2469529. The next prime is 2469541. The reversal of 2469540 is 459642.

2469540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2469498 and 2469507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2469541) 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 15 ways as a sum of consecutive naturals, for example, 4480 + ... + 5000.

It is an arithmetic number, because the mean of its divisors is an integer number (146160).

22469540 is an apocalyptic number.

2469540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2469540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3507840).

2469540 is an abundant number, since it is smaller than the sum of its proper divisors (4546140).

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

2469540 is a wasteful number, since it uses less digits than its factorization.

2469540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612 (or 610 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 2469540 is about 1571.4770122404. The cubic root of 2469540 is about 135.1674191768.

The spelling of 2469540 in words is "two million, four hundred sixty-nine thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 79 158 237 316 395 474 521 790 948 1042 1185 1563 1580 2084 2370 2605 3126 4740 5210 6252 7815 10420 15630 31260 41159 82318 123477 164636 205795 246954 411590 493908 617385 823180 1234770 2469540