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382292681 is a prime number
BaseRepresentation
bin10110110010010…
…101001011001001
3222122100110222012
4112302111023021
51240331331211
6101533505305
712321301631
oct2662251311
9878313865
10382292681
11186881171
12a8042235
13612818b4
1438ab56c1
1523866d8b
hex16c952c9

382292681 has 2 divisors, whose sum is σ = 382292682. Its totient is φ = 382292680.

The previous prime is 382292641. The next prime is 382292693. The reversal of 382292681 is 186292283.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 258727225 + 123565456 = 16085^2 + 11116^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-382292681 is a prime.

It is a super-2 number, since 2×3822926812 = 292295387892335522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (382292611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191146340 + 191146341.

It is an arithmetic number, because the mean of its divisors is an integer number (191146341).

Almost surely, 2382292681 is an apocalyptic number.

It is an amenable number.

382292681 is a deficient number, since it is larger than the sum of its proper divisors (1).

382292681 is an equidigital number, since it uses as much as digits as its factorization.

382292681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 41.

The square root of 382292681 is about 19552.3062834030. The cubic root of 382292681 is about 725.7694128912.

The spelling of 382292681 in words is "three hundred eighty-two million, two hundred ninety-two thousand, six hundred eighty-one".