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2442740 = 225373301
BaseRepresentation
bin1001010100010111110100
311121002210212
421110113310
51111131430
6124204552
726522456
oct11242764
94532725
102442740
1114192a3
12999758
13676b11
144782d6
15333b95
hex2545f4

2442740 has 24 divisors (see below), whose sum is σ = 5269992. Its totient is φ = 950400.

The previous prime is 2442719. The next prime is 2442767. The reversal of 2442740 is 472442.

2442740 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 4 ways, for example, as 357604 + 2085136 = 598^2 + 1444^2 .

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 911 + ... + 2390.

It is an arithmetic number, because the mean of its divisors is an integer number (219583).

22442740 is an apocalyptic number.

2442740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2442740 is an abundant number, since it is smaller than the sum of its proper divisors (2827252).

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

2442740 is a wasteful number, since it uses less digits than its factorization.

2442740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3347 (or 3345 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 2442740 is about 1562.9267417253. The cubic root of 2442740 is about 134.6766840025.

The spelling of 2442740 in words is "two million, four hundred forty-two thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 37 74 148 185 370 740 3301 6602 13204 16505 33010 66020 122137 244274 488548 610685 1221370 2442740