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38512823 is a prime number
BaseRepresentation
bin1001001011101…
…0100010110111
32200110122122212
42102322202313
534324402243
63453244035
7645232166
oct222724267
980418585
1038512823
111a815288
1210a9361b
137c9596b
1451873dd
1535ab318
hex24ba8b7

38512823 has 2 divisors, whose sum is σ = 38512824. Its totient is φ = 38512822.

The previous prime is 38512813. The next prime is 38512883. The reversal of 38512823 is 32821583.

It is a weak prime.

It is an emirp because it is prime and its reverse (32821583) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38512823 - 26 = 38512759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38512823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38512813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19256411 + 19256412.

It is an arithmetic number, because the mean of its divisors is an integer number (19256412).

Almost surely, 238512823 is an apocalyptic number.

38512823 is a deficient number, since it is larger than the sum of its proper divisors (1).

38512823 is an equidigital number, since it uses as much as digits as its factorization.

38512823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 32.

The square root of 38512823 is about 6205.8700437570. The cubic root of 38512823 is about 337.7031548717.

The spelling of 38512823 in words is "thirty-eight million, five hundred twelve thousand, eight hundred twenty-three".