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38035421 is a prime number
BaseRepresentation
bin1001000100010…
…1111111011101
32122120101210022
42101011333131
534214113141
63435121525
7641203304
oct221057735
978511708
1038035421
111a519636
12108a32a5
137b59588
1450a143b
153514b4b
hex2445fdd

38035421 has 2 divisors, whose sum is σ = 38035422. Its totient is φ = 38035420.

The previous prime is 38035369. The next prime is 38035423. The reversal of 38035421 is 12453083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37687321 + 348100 = 6139^2 + 590^2 .

It is a cyclic number.

It is not a de Polignac number, because 38035421 - 210 = 38034397 is a prime.

Together with 38035423, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38035423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19017710 + 19017711.

It is an arithmetic number, because the mean of its divisors is an integer number (19017711).

Almost surely, 238035421 is an apocalyptic number.

It is an amenable number.

38035421 is a deficient number, since it is larger than the sum of its proper divisors (1).

38035421 is an equidigital number, since it uses as much as digits as its factorization.

38035421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 38035421 is about 6167.2863562510. The cubic root of 38035421 is about 336.3019683546.

The spelling of 38035421 in words is "thirty-eight million, thirty-five thousand, four hundred twenty-one".