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2472740 = 225123637
BaseRepresentation
bin1001011011101100100100
311122121221222
421123230210
51113111430
6124555512
730006104
oct11335444
94577858
102472740
111439896
129b2b98
1368767a
14485204
1533c9e5
hex25bb24

2472740 has 12 divisors (see below), whose sum is σ = 5192796. Its totient is φ = 989088.

The previous prime is 2472737. The next prime is 2472781. The reversal of 2472740 is 472742.

2472740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 473344 + 1999396 = 688^2 + 1414^2 .

It is a super-2 number, since 2×24727402 = 12228886215200, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 61799 + ... + 61838.

It is an arithmetic number, because the mean of its divisors is an integer number (432733).

22472740 is an apocalyptic number.

2472740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2472740 is an abundant number, since it is smaller than the sum of its proper divisors (2720056).

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

2472740 is a wasteful number, since it uses less digits than its factorization.

2472740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123646 (or 123644 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 26.

The square root of 2472740 is about 1572.4948330599. The cubic root of 2472740 is about 135.2257767455.

The spelling of 2472740 in words is "two million, four hundred seventy-two thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 123637 247274 494548 618185 1236370 2472740