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2637428 = 221934703
BaseRepresentation
bin1010000011111001110100
311221222212112
422003321310
51133344203
6132310152
731263203
oct12037164
94858775
102637428
1115415a2
12a72358
13714611
144c923a
153716d8
hex283e74

2637428 has 12 divisors (see below), whose sum is σ = 4858560. Its totient is φ = 1249272.

The previous prime is 2637419. The next prime is 2637451. The reversal of 2637428 is 8247362.

2637428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 213 + 62 + 312 + 73 + 44 + 221 + 8 .

It is a junction number, because it is equal to n+sod(n) for n = 2637394 and 2637403.

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 3 ways as a sum of consecutive naturals, for example, 17276 + ... + 17427.

It is an arithmetic number, because the mean of its divisors is an integer number (404880).

22637428 is an apocalyptic number.

It is an amenable number.

2637428 is a deficient number, since it is larger than the sum of its proper divisors (2221132).

2637428 is a wasteful number, since it uses less digits than its factorization.

2637428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34726 (or 34724 counting only the distinct ones).

The product of its digits is 16128, while the sum is 32.

The square root of 2637428 is about 1624.0160097733. The cubic root of 2637428 is about 138.1635671669.

The spelling of 2637428 in words is "two million, six hundred thirty-seven thousand, four hundred twenty-eight".

Divisors: 1 2 4 19 38 76 34703 69406 138812 659357 1318714 2637428