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2438629 is a prime number
BaseRepresentation
bin1001010011010111100101
311120220011121
421103113211
51111014004
6124133541
726504464
oct11232745
94526147
102438629
1114161a6
129972b1
13674c9b
144769db
15332854
hex2535e5

2438629 has 2 divisors, whose sum is σ = 2438630. Its totient is φ = 2438628.

The previous prime is 2438627. The next prime is 2438671. The reversal of 2438629 is 9268342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2160900 + 277729 = 1470^2 + 527^2 .

It is a cyclic number.

It is not a de Polignac number, because 2438629 - 21 = 2438627 is a prime.

It is a super-2 number, since 2×24386292 = 11893822799282, which contains 22 as substring.

Together with 2438627, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2438594 and 2438603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2438627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1219314 + 1219315.

It is an arithmetic number, because the mean of its divisors is an integer number (1219315).

22438629 is an apocalyptic number.

It is an amenable number.

2438629 is a deficient number, since it is larger than the sum of its proper divisors (1).

2438629 is an equidigital number, since it uses as much as digits as its factorization.

2438629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 34.

The square root of 2438629 is about 1561.6110271127. The cubic root of 2438629 is about 134.6010903755.

The spelling of 2438629 in words is "two million, four hundred thirty-eight thousand, six hundred twenty-nine".