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1415330381 is a prime number
BaseRepresentation
bin101010001011100…
…0011101001001101
310122122012020021202
41110113003221031
510344311033011
6352235235245
750034052433
oct12427035115
93578166252
101415330381
11666a0a733
12335ba8b25
131972b85ca
14d5d82d53
15843c223b
hex545c3a4d

1415330381 has 2 divisors, whose sum is σ = 1415330382. Its totient is φ = 1415330380.

The previous prime is 1415330363. The next prime is 1415330407. The reversal of 1415330381 is 1830335141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 872020900 + 543309481 = 29530^2 + 23309^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1415330381 is a prime.

It is a super-2 number, since 2×14153303812 = 4006320174763210322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1415330341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 707665190 + 707665191.

It is an arithmetic number, because the mean of its divisors is an integer number (707665191).

Almost surely, 21415330381 is an apocalyptic number.

It is an amenable number.

1415330381 is a deficient number, since it is larger than the sum of its proper divisors (1).

1415330381 is an equidigital number, since it uses as much as digits as its factorization.

1415330381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1415330381 is about 37620.8769302365. The cubic root of 1415330381 is about 1122.7574437413.

The spelling of 1415330381 in words is "one billion, four hundred fifteen million, three hundred thirty thousand, three hundred eighty-one".