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92800381 is a prime number
BaseRepresentation
bin1011000100000…
…00010101111101
320110121202012011
411202000111331
5142224103011
613113011221
72204535022
oct542002575
9213552164
1092800381
1148424333
12270b3b11
13162c278b
14c479549
158231621
hex588057d

92800381 has 2 divisors, whose sum is σ = 92800382. Its totient is φ = 92800380.

The previous prime is 92800369. The next prime is 92800439. The reversal of 92800381 is 18300829.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52794756 + 40005625 = 7266^2 + 6325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-92800381 is a prime.

It is a super-2 number, since 2×928003812 = 17223821427490322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (92800361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46400190 + 46400191.

It is an arithmetic number, because the mean of its divisors is an integer number (46400191).

Almost surely, 292800381 is an apocalyptic number.

It is an amenable number.

92800381 is a deficient number, since it is larger than the sum of its proper divisors (1).

92800381 is an equidigital number, since it uses as much as digits as its factorization.

92800381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 92800381 is about 9633.2954382184. The cubic root of 92800381 is about 452.7410979753.

The spelling of 92800381 in words is "ninety-two million, eight hundred thousand, three hundred eighty-one".