Search a number
-
+
354223289 = 71912912063
BaseRepresentation
bin10101000111010…
…000010010111001
3220200112102000002
4111013100102321
51211140121124
655052122345
711530563650
oct2507202271
9820472002
10354223289
11171a4a222
129a7663b5
13585045a4
143508a197
15211700ae
hex151d04b9

354223289 has 16 divisors (see below), whose sum is σ = 426670080. Its totient is φ = 287277840.

The previous prime is 354223277. The next prime is 354223297. The reversal of 354223289 is 982322453.

It is a cyclic number.

It is not a de Polignac number, because 354223289 - 220 = 353174713 is a prime.

It is a super-3 number, since 3×3542232893 (a number of 27 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (354223249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170672 + ... + 172734.

It is an arithmetic number, because the mean of its divisors is an integer number (26666880).

Almost surely, 2354223289 is an apocalyptic number.

It is an amenable number.

354223289 is a deficient number, since it is larger than the sum of its proper divisors (72446791).

354223289 is a wasteful number, since it uses less digits than its factorization.

354223289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3380.

The product of its digits is 103680, while the sum is 38.

The square root of 354223289 is about 18820.8206250418. The cubic root of 354223289 is about 707.5530983551.

The spelling of 354223289 in words is "three hundred fifty-four million, two hundred twenty-three thousand, two hundred eighty-nine".

Divisors: 1 7 19 133 1291 2063 9037 14441 24529 39197 171703 274379 2663333 18643331 50603327 354223289