Search a number
-
+
397632375341 is a prime number
BaseRepresentation
bin1011100100101001011…
…11001000101000101101
31102000100200110120112122
411302110233020220231
523003322342002331
6502400401442325
740504462265135
oct5622457105055
91360320416478
10397632375341
111436a9122a03
12650923403a5
132b65bc798c6
141536196dac5
15a523b1a17b
hex5c94bc8a2d

397632375341 has 2 divisors, whose sum is σ = 397632375342. Its totient is φ = 397632375340.

The previous prime is 397632375337. The next prime is 397632375367. The reversal of 397632375341 is 143573236793.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 208868194441 + 188764180900 = 457021^2 + 434470^2 .

It is a cyclic number.

It is not a de Polignac number, because 397632375341 - 22 = 397632375337 is a prime.

It is a super-2 number, since 2×3976323753412 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (397632375331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198816187670 + 198816187671.

It is an arithmetic number, because the mean of its divisors is an integer number (198816187671).

Almost surely, 2397632375341 is an apocalyptic number.

It is an amenable number.

397632375341 is a deficient number, since it is larger than the sum of its proper divisors (1).

397632375341 is an equidigital number, since it uses as much as digits as its factorization.

397632375341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8573040, while the sum is 53.

The spelling of 397632375341 in words is "three hundred ninety-seven billion, six hundred thirty-two million, three hundred seventy-five thousand, three hundred forty-one".