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382699481 is a prime number
BaseRepresentation
bin10110110011111…
…000011111011001
3222200010010222212
4112303320133121
51240432340411
6101550324505
712324614633
oct2663703731
9880103885
10382699481
1118702986a
12a81b9735
1361394ac8
1438b7da53
15238e768b
hex16cf87d9

382699481 has 2 divisors, whose sum is σ = 382699482. Its totient is φ = 382699480.

The previous prime is 382699469. The next prime is 382699519. The reversal of 382699481 is 184996283.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 366377881 + 16321600 = 19141^2 + 4040^2 .

It is a cyclic number.

It is not a de Polignac number, because 382699481 - 26 = 382699417 is a prime.

It is a super-2 number, since 2×3826994812 = 292917785515338722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (382699411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191349740 + 191349741.

It is an arithmetic number, because the mean of its divisors is an integer number (191349741).

Almost surely, 2382699481 is an apocalyptic number.

It is an amenable number.

382699481 is a deficient number, since it is larger than the sum of its proper divisors (1).

382699481 is an equidigital number, since it uses as much as digits as its factorization.

382699481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 50.

The square root of 382699481 is about 19562.7063822979. The cubic root of 382699481 is about 726.0267535365.

The spelling of 382699481 in words is "three hundred eighty-two million, six hundred ninety-nine thousand, four hundred eighty-one".