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2472040 = 235232687
BaseRepresentation
bin1001011011100001101000
311122121000001
421123201220
51113101130
6124552344
730004054
oct11334150
94577001
102472040
11143930a
129b26b4
1368725c
14484c64
1533c6ca
hex25b868

2472040 has 32 divisors (see below), whose sum is σ = 5806080. Its totient is φ = 945472.

The previous prime is 2472037. The next prime is 2472049. The reversal of 2472040 is 402742.

It is a super-2 number, since 2×24720402 = 12221963523200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2471999 and 2472017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2472049) 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, 424 + ... + 2263.

It is an arithmetic number, because the mean of its divisors is an integer number (181440).

22472040 is an apocalyptic number.

2472040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2472040 is an abundant number, since it is smaller than the sum of its proper divisors (3334040).

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

2472040 is a wasteful number, since it uses less digits than its factorization.

2472040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2721 (or 2717 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 2472040 is about 1572.2722410575. The cubic root of 2472040 is about 135.2130153314.

Adding to 2472040 its reverse (402742), we get a palindrome (2874782).

The spelling of 2472040 in words is "two million, four hundred seventy-two thousand, forty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 184 230 460 920 2687 5374 10748 13435 21496 26870 53740 61801 107480 123602 247204 309005 494408 618010 1236020 2472040