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552112381 is a prime number
BaseRepresentation
bin100000111010001…
…001000011111101
31102110220012210201
4200322021003331
52112320044011
6130441403501
716452610042
oct4072110375
91373805721
10552112381
11263720227
12134a99591
138a4ccb22
145347d1c9
153370dcc1
hex20e890fd

552112381 has 2 divisors, whose sum is σ = 552112382. Its totient is φ = 552112380.

The previous prime is 552112333. The next prime is 552112399. The reversal of 552112381 is 183211255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 473062500 + 79049881 = 21750^2 + 8891^2 .

It is a cyclic number.

It is not a de Polignac number, because 552112381 - 29 = 552111869 is a prime.

It is a super-2 number, since 2×5521123812 = 609656162506978322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (552112321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276056190 + 276056191.

It is an arithmetic number, because the mean of its divisors is an integer number (276056191).

Almost surely, 2552112381 is an apocalyptic number.

It is an amenable number.

552112381 is a deficient number, since it is larger than the sum of its proper divisors (1).

552112381 is an equidigital number, since it uses as much as digits as its factorization.

552112381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2400, while the sum is 28.

The square root of 552112381 is about 23497.0717537314. The cubic root of 552112381 is about 820.3688510134.

The spelling of 552112381 in words is "five hundred fifty-two million, one hundred twelve thousand, three hundred eighty-one".